def main(args):
kdir = '/var/lib/dpatch/repo/linux-next'
fname = tempfile.mktemp('.cocci')
fp = open(fname, "w")
fp.write(COCCI)
fp.close()
print '\
/// use kmem_cache_free() instead of kfree()\n\
///\n\
/// memory allocated by kmem_cache_alloc() should be freed using\n\
/// kmem_cache_free(), not kfree().\n\
///\n'
stypes = []
for sfile in _execute_shell("find %s -type f" % kdir)[0:-1]:
if not is_source_file(sfile):
continue
sargs = '/usr/bin/spatch -I %s -timeout 60 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), fname, sfile)
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
a = line.split('|')
# skip sub field
if a[1].find('->') != -1:
continue
if stypes.count(a[0]) != 0:
continue
if a[0] in ['char *', 'void *', 'u32 *', 'unsigned long *', 'struct sk_buff *', 'struct urb_priv *']:
continue
stypes.append(a[0])
print '@@\n\
%sx;\n\
@@\n\
- kfree(x);\n\
+ kmem_cache_free(%s, x);\n' % (a[0], a[1].split('\n')[0])
os.unlink(fname)
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next/'
skip_list = ['malloc',
'readb',
'xchg',
'PDE_DATA',
'ioread32',
'in_be32',
'nv_ro16',
'be32_to_cpu',
'le32_to_cpu',
'min',
'min_t',
'inl',
'inb',
'container_of',
'ERR_CAST',
'ERR_PTR',
'list_entry',
'list_first_entry',
'key_ref_to_ptr',
# skip special function
'posix_acl_from_xattr',
'skb_gso_segment',
'd_hash_and_lookup']
_fix_table = {"clk_get": "IS_ERR",
"dma_buf_attach": "IS_ERR",
"platform_device_register_resndata": "IS_ERR",
"syscon_node_to_regmap": "IS_ERR",
"clk_get_parent": "NULL",
"container_of": "NULL",
"devm_request_and_ioremap": "NULL",
"scsi_host_lookup": "NULL",
"ubifs_fast_find_freeable": "NULL",
"ubifs_fast_find_frdi_idx": "NULL",
"btrfs_get_acl": "IS_ERR_OR_NULL",
"btrfs_lookup_xattr": "IS_ERR_OR_NULL",
"ext2_get_acl": "IS_ERR_OR_NULL",
"ext3_get_acl": "IS_ERR_OR_NULL",
"ext4_get_acl": "IS_ERR_OR_NULL",
"f2fs_get_acl": "IS_ERR_OR_NULL",
"flow_cache_lookup": "IS_ERR_OR_NULL",
"gfs2_get_acl": "IS_ERR_OR_NULL",
"gfs2_lookupi": "IS_ERR_OR_NULL",
"hfsplus_get_posix_acl": "IS_ERR_OR_NULL",
"jffs2_get_acl": "IS_ERR_OR_NULL",
"jfs_get_acl": "IS_ERR_OR_NULL",
"nfs3_proc_getacl": "IS_ERR_OR_NULL",
"posix_acl_from_xattr": "IS_ERR_OR_NULL",
"reiserfs_get_acl": "IS_ERR_OR_NULL",
"xfs_get_acl": "IS_ERR_OR_NULL",}
if not os.path.exists(DATAFILE):
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
fp = open(DATAFILE, "w")
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 20 -very_quiet -sp_file %s %s | sort -u' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
lines = []
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
#if not re.search('\w+', line):
# continue
#if lines.count(line) != 0:
# continue
if line in skip_list:
continue
lines.append("%s|%s" % (line, sfile))
if len(lines):
fp.write('\n'.join(lines))
fp.write('\n')
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
# merge data
mlines = []
lastfile = None
mfuncs = {}
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if a[1] == 'IS_ERR_OR_NULL':
continue
if lastfile != a[2]:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
mfuncs.clear()
lastfile = a[2]
if mfuncs.has_key(a[0]) and mfuncs[a[0]] != a[1]:
#print 'fix for function: %s in file %s' %(a[0], a[2])
mfuncs[a[0]] = 'IS_ERR_OR_NULL'
else:
mfuncs[a[0]] = a[1]
if not lastfile is None:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
funcs = {}
for line in mlines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if funcs.has_key(a[0]):
funcs[a[0]]['cnt'] += 1
if funcs[a[0]]['type'] != a[1]:
if a[1] == 'IS_ERR_OR_NULL':
#print "WARN: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], funcs[a[0]]['type'], a[2])
continue
if a[0].find('debugfs_') == 0 and not is_config_debug_fs(a[2]):
continue
print "ERROR: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], funcs[a[0]]['type'], a[2])
else:
if _fix_table.has_key(a[0]):
if _fix_table[a[0]] != a[1]:
if a[1] == 'IS_ERR_OR_NULL':
#print "WARN: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], _fix_table[a[0]], a[2])
continue
if a[0].find('debugfs_') == 0 and not is_config_debug_fs(a[2]):
continue
print "ERROR: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], _fix_table[a[0]], a[2])
funcs[a[0]] = {'type': _fix_table[a[0]], 'cnt': 1}
else:
funcs[a[0]] = {'type': a[1], 'cnt': 1}
else:
funcs[a[0]] = {'type': a[1], 'cnt': 1}
if not os.path.exists(ERRFILE):
tmps = []
for fn in funcs.keys():
if funcs[fn]['type'] != 'IS_ERR':
continue
tmps.append("%s|%s|%s" % (fn, funcs[fn]['type'], funcs[fn]['cnt']))
fp = open(ERRFILE, "w")
fp.write("// Update: %s\n" % datetime.datetime.now())
fp.write('\n'.join(tmps))
fp.close()
if not os.path.exists(NULLFILE):
tmps = []
for fn in funcs.keys():
if funcs[fn]['type'] != 'NULL' or funcs[fn]['cnt'] < 2:
continue
tmps.append("%s|%s|%s" % (fn, funcs[fn]['type'], funcs[fn]['cnt']))
fp = open(NULLFILE, "w")
fp.write("// Update: %s\n" % datetime.datetime.now())
fp.write('\n'.join(tmps))
fp.close()
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/2/linux-next'
skip_list = [
'malloc',
'readb',
'xchg',
'PDE_DATA',
'ioread32',
'in_be32',
'nv_ro16',
'be32_to_cpu',
'le32_to_cpu',
'le64_to_cpu',
'min',
'min_t',
'inl',
'inb',
'container_of',
'ERR_CAST',
'ERR_PTR',
'list_entry',
'list_first_entry',
'key_ref_to_ptr',
# skip special function
'posix_acl_from_xattr',
'skb_gso_segment',
'd_hash_and_lookup',
'rcu_dereference',
'rcu_dereference_protected',
'dget_parent',
'get_acl',
'netdev_priv',
'ext4_bread',
'__d_path',
'i_size_read',
'__skb_gso_segment',
'dget',
'map_extent_mft_record',
'gfs2_lookupi',
'fat_build_inode'
]
_fix_table = {
"clk_get": "IS_ERR",
"dma_buf_attach": "IS_ERR",
"platform_device_register_resndata": "IS_ERR",
"syscon_node_to_regmap": "IS_ERR",
"clk_get_parent": "NULL",
"container_of": "NULL",
"devm_request_and_ioremap": "NULL",
"scsi_host_lookup": "NULL",
"ubifs_fast_find_freeable": "NULL",
"ubifs_fast_find_frdi_idx": "NULL",
"btrfs_get_acl": "IS_ERR_OR_NULL",
"btrfs_lookup_xattr": "IS_ERR_OR_NULL",
"dma_buf_map_attachment": "IS_ERR",
"ext2_get_acl": "IS_ERR_OR_NULL",
"ext3_get_acl": "IS_ERR_OR_NULL",
"ext4_get_acl": "IS_ERR_OR_NULL",
"f2fs_get_acl": "IS_ERR_OR_NULL",
"flow_cache_lookup": "IS_ERR_OR_NULL",
"follow_page_mask": "IS_ERR_OR_NULL",
"gfs2_get_acl": "IS_ERR_OR_NULL",
"gfs2_lookupi": "IS_ERR_OR_NULL",
"get_phy_device": "IS_ERR",
"hfsplus_get_posix_acl": "IS_ERR_OR_NULL",
"jffs2_get_acl": "IS_ERR_OR_NULL",
"jfs_get_acl": "IS_ERR_OR_NULL",
"nfs3_proc_getacl": "IS_ERR_OR_NULL",
"posix_acl_from_xattr": "IS_ERR_OR_NULL",
"reiserfs_get_acl": "IS_ERR_OR_NULL",
"xfs_get_acl": "IS_ERR_OR_NULL",
"pci_device_group": "IS_ERR_OR_NULL",
"assoc_array_delete": "IS_ERR_OR_NULL",
"d_splice_alias": "IS_ERR_OR_NULL"
}
if not os.path.exists(DATAFILE):
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
fp = open(DATAFILE, "w")
for sfile in sfiles:
if not is_source_file(sfile):
continue
if sfile.find("Documentation/") == 0:
continue
if sfile.find("scripts/") == 0:
continue
if sfile.find("tools/") == 0:
continue
if sfile.find("firmware/") == 0:
continue
if count > 0 and count % 100 == 0:
print 'current: %d, total: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 20 -very_quiet -sp_file %s %s | sort -u' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
lines = []
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
#if not re.search('\w+', line):
# continue
#if lines.count(line) != 0:
# continue
if line in skip_list:
continue
lines.append("%s|%s" % (line, sfile))
if len(lines):
fp.write('\n'.join(lines))
fp.write('\n')
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
# merge data
mlines = []
lastfile = None
mfuncs = {}
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if a[1] == 'IS_ERR_OR_NULL':
continue
if lastfile != a[2]:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
mfuncs.clear()
lastfile = a[2]
if mfuncs.has_key(a[0]) and mfuncs[a[0]] != a[1]:
#print 'fix for function: %s in file %s' %(a[0], a[2])
mfuncs[a[0]] = 'IS_ERR_OR_NULL'
else:
mfuncs[a[0]] = a[1]
if not lastfile is None:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
mfuncs = {}
for line in mlines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if not mfuncs.has_key(a[0]):
mfuncs[a[0]] = {'TYPE': 'NULL', 'COUNT': 0, 'NULL': 0, 'IS_ERR': 0, 'IS_ERR_OR_NULL': 0}
mfuncs[a[0]][a[1]] = mfuncs[a[0]][a[1]] + 1
mfuncs[a[0]]['COUNT'] = mfuncs[a[0]]['COUNT'] + 1
if _fix_table.has_key(a[0]):
mfuncs[a[0]]['TYPE'] = _fix_table[a[0]]
else:
if mfuncs[a[0]]['NULL'] > mfuncs[a[0]]['IS_ERR']:
if mfuncs[a[0]]['NULL'] > mfuncs[a[0]]['IS_ERR_OR_NULL']:
mfuncs[a[0]]['TYPE'] = 'NULL'
else:
mfuncs[a[0]]['TYPE'] = 'IS_ERR_OR_NULL'
else:
if mfuncs[a[0]]['IS_ERR'] > mfuncs[a[0]]['IS_ERR_OR_NULL']:
mfuncs[a[0]]['TYPE'] = 'IS_ERR'
else:
mfuncs[a[0]]['TYPE'] = 'IS_ERR_OR_NULL'
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if a[1] == 'IS_ERR_OR_NULL':
continue
if a[0].find('debugfs_') == 0: #and not is_config_debug_fs(a[2]):
continue
if mfuncs[a[0]]['TYPE'] != a[1] and mfuncs[a[0]]['IS_ERR'] != mfuncs[a[0]]['NULL'] and mfuncs[a[0]]['COUNT'] > 1:
print "ERROR: %s, type: %s, real type: %s, file: %s, NULL: %d, IS_ERR:%d, IS_ERR_OR_NULL: %d" % (a[0],
a[1], mfuncs[a[0]]['TYPE'], a[2], mfuncs[a[0]]['NULL'], mfuncs[a[0]]['IS_ERR'], mfuncs[a[0]]['IS_ERR_OR_NULL'])
update_err_ptr_ret_chk(mfuncs)
update_null_ret_chk(mfuncs)
#print json.dumps(mfuncs, indent = 4)
'''
# merge data
mlines = []
lastfile = None
mfuncs = {}
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if a[1] == 'IS_ERR_OR_NULL':
continue
if lastfile != a[2]:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
mfuncs.clear()
lastfile = a[2]
if mfuncs.has_key(a[0]) and mfuncs[a[0]] != a[1]:
#print 'fix for function: %s in file %s' %(a[0], a[2])
mfuncs[a[0]] = 'IS_ERR_OR_NULL'
else:
mfuncs[a[0]] = a[1]
if not lastfile is None:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
funcs = {}
for line in mlines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if funcs.has_key(a[0]):
funcs[a[0]]['cnt'] += 1
if funcs[a[0]]['type'] != a[1]:
if a[1] == 'IS_ERR_OR_NULL':
#print "WARN: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], funcs[a[0]]['type'], a[2])
continue
if a[0].find('debugfs_') == 0 and not is_config_debug_fs(a[2]):
continue
print "ERROR: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], funcs[a[0]]['type'], a[2])
else:
if _fix_table.has_key(a[0]):
if _fix_table[a[0]] != a[1]:
if a[1] == 'IS_ERR_OR_NULL':
#print "WARN: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], _fix_table[a[0]], a[2])
continue
if a[0].find('debugfs_') == 0 and not is_config_debug_fs(a[2]):
continue
print "ERROR: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], _fix_table[a[0]], a[2])
funcs[a[0]] = {'type': _fix_table[a[0]], 'cnt': 1}
else:
funcs[a[0]] = {'type': a[1], 'cnt': 1}
else:
funcs[a[0]] = {'type': a[1], 'cnt': 1}
if not os.path.exists(ERRFILE):
tmps = []
for fn in funcs.keys():
if funcs[fn]['type'] != 'IS_ERR':
continue
tmps.append("%s|%s|%s" % (fn, funcs[fn]['type'], funcs[fn]['cnt']))
fp = open(ERRFILE, "w")
fp.write("// Update: %s\n" % datetime.datetime.now())
fp.write('\n'.join(tmps))
fp.close()
if not os.path.exists(NULLFILE):
tmps = []
for fn in funcs.keys():
if funcs[fn]['type'] != 'NULL' or funcs[fn]['cnt'] < 2:
continue
tmps.append("%s|%s|%s" % (fn, funcs[fn]['type'], funcs[fn]['cnt']))
fp = open(NULLFILE, "w")
fp.write("// Update: %s\n" % datetime.datetime.now())
fp.write('\n'.join(tmps))
fp.close()
'''
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next/drivers/'
if not os.path.exists(DATAFILE):
lines = []
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 30 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
a = line.split('|')
if len(a) < 2:
continue
lines.append(line)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
print '@r1@\n\
declarer name module_init;\n\
identifier fn_init;\n\
@@\n\
module_init(fn_init);\n\
\n\
@r2@\n\
declarer name module_exit;\n\
identifier fn_exit;\n\
@@\n\
module_exit(fn_exit);\n\
\n\
@r3@\n\
declarer name module_acpi_driver;\n\
declarer name module_comedi_pcmcia_driver;\n\
declarer name module_pci_driver;\n\
declarer name module_usb_driver;\n\
declarer name module_comedi_usb_driver;\n\
declarer name module_platform_driver;\n\
declarer name module_virtio_driver;\n\
declarer name module_amba_driver;\n\
declarer name module_gameport_driver;\n\
declarer name module_platform_driver_probe;\n\
declarer name module_comedi_driver;\n\
declarer name module_hid_driver;\n\
declarer name module_serio_driver;\n\
declarer name module_comedi_pci_driver;\n\
declarer name module_i2c_driver;\n\
declarer name module_spi_driver;\n\
identifier i_driver;\n\
@@\n\
(\n\
module_acpi_driver(i_driver);\n\
|\n\
module_comedi_pcmcia_driver(i_driver);\n\
|\n\
module_pci_driver(i_driver);\n\
|\n\
module_usb_driver(i_driver);\n\
|\n\
module_comedi_usb_driver(i_driver);\n\
|\n\
module_platform_driver(i_driver);\n\
|\n\
module_virtio_driver(i_driver);\n\
|\n\
module_amba_driver(i_driver);\n\
|\n\
module_gameport_driver(i_driver);\n\
|\n\
module_platform_driver_probe(i_driver);\n\
|\n\
module_comedi_driver(i_driver);\n\
|\n\
module_hid_driver(i_driver);\n\
|\n\
module_serio_driver(i_driver);\n\
|\n\
module_comedi_pci_driver(i_driver);\n\
|\n\
module_i2c_driver(i_driver);\n\
|\n\
module_spi_driver(i_driver);\n\
)\n\n'
skiplist = [
'snd_soc_card', #special
'dvb_usb_device_properties',
'hotplug_slot_ops',
'i2c_driver',
'pci_driver',
'usb_driver',
'platform_driver',
'gameport_driver',
'scsi_host_template',
'file_operations'
]
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if skiplist.count(a[0]) != 0:
continue
if len(a) == 3:
print '\
@r1__%s depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p;\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
.%s = {\n\
...,\n\
.%s = THIS_MODULE,\n\
...\n\
},\n\
...\n\
};\n\
\n\
@r2__%s depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p;\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
.%s.%s = THIS_MODULE,\n\
...\n\
};\n\
\n\
@depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p != {r1__%s.p, r2__%s.p};\n\
@@\n\
(\n\
struct %s nm@p = {\n\
...,\n\
.%s = {\n\
...,\n\
+ .%s = THIS_MODULE,\n\
},\n\
...\n\
};\n\
|\n\
struct %s nm@p = {\n\
...,\n\
+ .%s.%s = THIS_MODULE,\n\
};\n)\n\
' % (a[0], a[0], a[1], a[2], a[0], a[0], a[1], a[2], a[0], a[0], a[0], a[1],
a[2], a[0], a[1], a[2])
else:
print '\
@r__%s depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p;\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
.%s = THIS_MODULE,\n\
...\n\
};\n\
\n\
@depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p != {r__%s.p};\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
+ .%s = THIS_MODULE,\n\
};\n' % (a[0], a[0], a[1], a[0], a[0], a[1])
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next'
print '/// fix return value check in {{function}}\n\
///\n\
/// In case of error, the function XXXX() returns ERR_PTR()\n\
/// and never returns NULL. The NULL test in the return value check\n\
/// should be replaced with IS_ERR().\n\
///\n'
skiplist = [
'rfkill_alloc', 'clk_get', 'clk_register', 'clk_register_fixed_rate',
'rpcauth_create', 'vb2_dma_contig_init_ctx', 'of_clk_get',
'arm_iommu_create_mapping', 'devm_regulator_get',
'platform_device_register_full', 'anon_inode_getfile',
'of_clk_get_by_name', 'sock_alloc_file', 'skb_mac_gso_segment',
'get_fb_info', 'unpack_dfa', 'select_bad_process', 'perf_init_event',
'debugfs_rename'
]
if not os.path.exists(DATAFILE):
lines = []
for sfile in _execute_shell("find %s -type f" % kdir)[0:-1]:
if not is_source_file(sfile):
continue
sargs = '/usr/bin/spatch -I %s -timeout 60 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
for line in _execute_shell(sargs):
if not re.search('\w+', line):
continue
if lines.count(line) != 0:
continue
if line in skiplist:
continue
if line.find('debugfs_create') != -1:
continue
lines.append(line)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
funcs = []
for line in lines:
line = line.replace('\n', '')
if line.find('//') != -1:
continue
if line.find('|') != -1:
line = line.split('|')[0]
if line in skiplist:
continue
funcs.append(line)
print '@@\n\
expression ret, E;\n\
@@\n\
ret = \(%s\)(...);\n\
... when != ret = E\n\
(\n\
- ret == NULL || IS_ERR(ret)\n\
+ IS_ERR(ret)\n\
|\n\
- IS_ERR(ret) || ret == NULL\n\
+ IS_ERR(ret)\n\
|\n\
- ret != NULL && !IS_ERR(ret)\n\
+ !IS_ERR(ret)\n\
|\n\
- !IS_ERR(ret) && ret != NULL\n\
+ !IS_ERR(ret)\n\
|\n\
- ret == NULL\n\
+ IS_ERR(ret)\n\
|\n\
- ret != NULL\n\
+ !IS_ERR(ret)\n\
)\n' % '\|\n'.join(funcs)
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next'
print '/// fix return value check in {{function}}\n\
///\n\
/// In case of error, the function XXXX() returns ERR_PTR()\n\
/// and never returns NULL. The NULL test in the return value check\n\
/// should be replaced with IS_ERR().\n\
///\n'
skiplist = ['rfkill_alloc', 'clk_get', 'clk_register', 'clk_register_fixed_rate',
'rpcauth_create', 'vb2_dma_contig_init_ctx', 'of_clk_get',
'arm_iommu_create_mapping', 'devm_regulator_get',
'platform_device_register_full', 'anon_inode_getfile',
'of_clk_get_by_name', 'sock_alloc_file', 'skb_mac_gso_segment',
'get_fb_info', 'unpack_dfa', 'select_bad_process', 'perf_init_event',
'debugfs_rename']
if not os.path.exists(DATAFILE):
lines = []
for sfile in _execute_shell("find %s -type f" % kdir)[0:-1]:
if not is_source_file(sfile):
continue
sargs = '/usr/bin/spatch -I %s -timeout 60 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
for line in _execute_shell(sargs):
if not re.search('\w+', line):
continue
if lines.count(line) != 0:
continue
if line in skiplist:
continue
if line.find('debugfs_create') != -1:
continue
lines.append(line)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
funcs = []
for line in lines:
line = line.replace('\n', '')
if line.find('//') != -1:
continue
if line.find('|') != -1:
line = line.split('|')[0]
if line in skiplist:
continue
funcs.append(line)
print '@@\n\
expression ret, E;\n\
@@\n\
ret = \(%s\)(...);\n\
... when != ret = E\n\
(\n\
- ret == NULL || IS_ERR(ret)\n\
+ IS_ERR(ret)\n\
|\n\
- IS_ERR(ret) || ret == NULL\n\
+ IS_ERR(ret)\n\
|\n\
- ret != NULL && !IS_ERR(ret)\n\
+ !IS_ERR(ret)\n\
|\n\
- !IS_ERR(ret) && ret != NULL\n\
+ !IS_ERR(ret)\n\
|\n\
- ret == NULL\n\
+ IS_ERR(ret)\n\
|\n\
- ret != NULL\n\
+ !IS_ERR(ret)\n\
)\n' % '\|\n'.join(funcs)
return 0
def main(args):
kdir = "/var/lib/dpatch/repo/linux-next/drivers/"
if not os.path.exists(DATAFILE):
lines = []
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print "total: %d, current: %d" % (count, len(sfiles))
count += 1
sargs = "/usr/bin/spatch -I %s -timeout 30 -very_quiet -sp_file %s %s" % (
os.path.join(kdir, "include"),
SCRIPTFILE,
sfile,
)
for line in _execute_shell(sargs):
if line.find("|") == -1:
continue
a = line.split("|")
if len(a) < 2:
continue
lines.append(line)
fp = open(DATAFILE, "w")
fp.write("\n".join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
print "@r1@\n\
declarer name module_init;\n\
identifier fn_init;\n\
@@\n\
module_init(fn_init);\n\
\n\
@r2@\n\
declarer name module_exit;\n\
identifier fn_exit;\n\
@@\n\
module_exit(fn_exit);\n\
\n\
@r3@\n\
declarer name module_acpi_driver;\n\
declarer name module_comedi_pcmcia_driver;\n\
declarer name module_pci_driver;\n\
declarer name module_usb_driver;\n\
declarer name module_comedi_usb_driver;\n\
declarer name module_platform_driver;\n\
declarer name module_virtio_driver;\n\
declarer name module_amba_driver;\n\
declarer name module_gameport_driver;\n\
declarer name module_platform_driver_probe;\n\
declarer name module_comedi_driver;\n\
declarer name module_hid_driver;\n\
declarer name module_serio_driver;\n\
declarer name module_comedi_pci_driver;\n\
declarer name module_i2c_driver;\n\
declarer name module_spi_driver;\n\
identifier i_driver;\n\
@@\n\
(\n\
module_acpi_driver(i_driver);\n\
|\n\
module_comedi_pcmcia_driver(i_driver);\n\
|\n\
module_pci_driver(i_driver);\n\
|\n\
module_usb_driver(i_driver);\n\
|\n\
module_comedi_usb_driver(i_driver);\n\
|\n\
module_platform_driver(i_driver);\n\
|\n\
module_virtio_driver(i_driver);\n\
|\n\
module_amba_driver(i_driver);\n\
|\n\
module_gameport_driver(i_driver);\n\
|\n\
module_platform_driver_probe(i_driver);\n\
|\n\
module_comedi_driver(i_driver);\n\
|\n\
module_hid_driver(i_driver);\n\
|\n\
module_serio_driver(i_driver);\n\
|\n\
module_comedi_pci_driver(i_driver);\n\
|\n\
module_i2c_driver(i_driver);\n\
|\n\
module_spi_driver(i_driver);\n\
)\n\n"
skiplist = [
"snd_soc_card", # special
"dvb_usb_device_properties",
"hotplug_slot_ops",
"i2c_driver",
"pci_driver",
"usb_driver",
"platform_driver",
"gameport_driver",
"scsi_host_template",
"file_operations",
]
for line in lines:
if line.find("|") == -1:
continue
line = line.replace("\n", "")
a = line.split("|")
if skiplist.count(a[0]) != 0:
continue
if len(a) == 3:
print "\
@r1__%s depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p;\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
.%s = {\n\
...,\n\
.%s = THIS_MODULE,\n\
...\n\
},\n\
...\n\
};\n\
\n\
@r2__%s depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p;\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
.%s.%s = THIS_MODULE,\n\
...\n\
};\n\
\n\
@depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p != {r1__%s.p, r2__%s.p};\n\
@@\n\
(\n\
struct %s nm@p = {\n\
...,\n\
.%s = {\n\
...,\n\
+ .%s = THIS_MODULE,\n\
},\n\
...\n\
};\n\
|\n\
struct %s nm@p = {\n\
...,\n\
+ .%s.%s = THIS_MODULE,\n\
};\n)\n\
" % (
a[0],
a[0],
a[1],
a[2],
a[0],
a[0],
a[1],
a[2],
a[0],
a[0],
a[0],
a[1],
a[2],
a[0],
a[1],
a[2],
)
else:
print "\
@r__%s depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p;\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
.%s = THIS_MODULE,\n\
...\n\
};\n\
\n\
@depends on (r1 && r2) || r3@\n\
identifier nm;\n\
position p != {r__%s.p};\n\
@@\n\
struct %s nm@p = {\n\
...,\n\
+ .%s = THIS_MODULE,\n\
};\n" % (
a[0],
a[0],
a[1],
a[0],
a[0],
a[1],
)
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next/drivers/'
if not os.path.exists(DATAFILE):
lines = []
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 30 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
afuncs = []
bfuncs = []
funcinfo = {}
tfuncinfo = {}
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
a = line.split('|')
if len(a) < 3:
continue
afuncs.append(a[0])
bfuncs.append(a[1])
if afuncs.count(a[0]) > 1:
funcinfo[a[0]] = None
else:
funcinfo[a[0]] = a[1]
tfuncinfo[a[0]] = a[2]
for func in funcinfo.keys():
if funcinfo[func] is None:
continue
if func in ['PTR_RET', 'IS_ERR']:
continue
if afuncs.count(func) > 1:
continue
if bfuncs.count(funcinfo[func]) > 1 and not funcinfo[func] in [
'kfree'
]:
continue
lines.append("%s|%s|%s|%s" %
(func, funcinfo[func], tfuncinfo[func], sfile))
print "%s|%s|%s|%s" % (func, funcinfo[func], tfuncinfo[func],
sfile)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
print '/// add missing {{function1}} on error path in {{function}}\n\
///\n\
/// Add the missing {{function1}} before return from\n\
/// {{function}} in the error handling case.\n'
fixlist = {
'lpfc_sli4_rb_alloc': 'lpfc_sli4_rb_free',
'lpfc_els_hbq_alloc': 'lpfc_els_hbq_free',
'init_bch': 'free_bch',
'usb_create_hcd': 'usb_create_hcd',
'scsi_host_alloc': 'scsi_host_put'
}
# skip entry
_extlist = [
'vmalloc|kfree|1',
'request_mem_region|release_resource|1',
'device_register|put_device|2',
'ad7606_reset|ad7606_free_gpios|2',
'ahci_stop_engine|ahci_start_engine|2',
'apei_exec_pre_map_gars|apei_exec_post_unmap_gars|2',
'ast_mm_init|kfree|2',
'ath10k_hif_power_up|ath10k_hif_power_down|2',
'ath10k_htt_tx_alloc_msdu_id|ath10k_htt_tx_dec_pending|2',
'ath10k_pci_wake|ath10k_pci_sleep|2',
'ath6kl_htc_start|ath6kl_htc_stop|2',
'ath6kl_wmi_init|ath6kl_wmi_shutdown|1',
'bch_cache_set_alloc|bch_cache_set_unregister|1',
'be_chk_reset_complete|beiscsi_unmap_pci_function|2',
'bnx2fc_send_fw_fcoe_init_msg|bnx2fc_unbind_adapter_devices|2',
'brcmf_p2p_attach|wl_deinit_priv|2',
'chp_update_desc|kfree|2',
'clk_prepare_enable|clk_unprepare|2',
'CMD_SP|fc_fcp_pkt_release|1',
'cpia2_init_camera_struct|kfree|1',
'create_wlan|kfree|1',
'cryp_check|kfree|2',
'device_bind_driver|device_unregister|2',
'device_register|device_del|2',
'device_register|put_device|2',
'dgrp_tty_init|kfree|2',
'dsp_reload|kfree|2',
'ehea_sense_port_attr|ehea_unregister_port|2',
'es|ecard_release_resources|2',
'exynos_drm_gem_init|kfree|1',
'get_cpu_device|put_cluster_clk_and_freq_table|1',
'gpio_to_irq|gpio_free|2',
'hash_check_hw|kfree|2',
'i1480_mac_fw_upload|i1480_print_state|2',
'i915_gem_init_hw|i915_gem_cleanup_ringbuffer|2',
'i915_gem_object_get_pages|i915_gem_object_unpin_pages|2',
'init_ft1000_netdev|kfree|2',
'intelfbhw_check_non_crt|cleanup|2',
'inv_mpu6050_probe_trigger|iio_triggered_buffer_cleanup|2',
'ioat_dma_setup_interrupts|ioat_disable_interrupts|2',
'iwl_run_init_ucode|iwl_down|2',
'ldlm_handle2lock|LDLM_LOCK_PUT|1',
'_malloc|kfree|1',
'mantis_pci_init|kfree|2',
'mdesc_grab|mdesc_release|1',
'mempool_alloc|fc_exch_hold|1',
'nand_scan_tail|nand_release|2',
'NCR_700_detect|scsi_host_put|1',
'of_device_alloc|platform_device_put|1',
'pch_gbe_hal_read_mac_addr|pch_gbe_hal_phy_hw_reset|2',
'pci_alloc_dev|pci_stop_and_remove_bus_device|1',
'pcibios_add_platform_entries|pci_remove_resource_files|2',
'pci_create_sysfs_dev_files|pci_dev_put|2',
'pci_get_domain_bus_and_slot|pci_dev_put|1',
'pcmcia_request_io|pcmcia_disable_device|2',
'pm_runtime_get_sync|pm_runtime_disable|2',
'ptlrpc_queue_wait|ptlrpc_req_finished|2',
'pwc_init_controls|kfree|2',
'qlcnic_83xx_enable_flash_write|qlcnic_83xx_unlock_flash|2',
'r600_parse_extended_power_table|ci_dpm_fini|2',
'radeon_dummy_page_init|radeon_gart_fini|2',
'register_sja1000dev|free_sja1000dev|2',
'rsxx_creg_setup|kfree|2',
's3c_camif_create_subdev|s3c_camif_unregister_subdev|2',
's3c_camif_create_subdev|s3c_camif_unregister_subdev|2',
'sas_end_device_alloc|sas_rphy_free|1',
'sas_port_add|sas_port_mark_backlink|2',
'sdhci_add_host|sdhci_bcm_kona_sd_reset|2',
'setup_fritz|kfree|2',
'skb_unshare|kfree_skb|1',
'snd_cx18_pcm_create|kfree|2',
'snd_ivtv_pcm_create|kfree|2',
'st5481_setup_b|st5481_release_b|2',
'stk1160_vb2_setup|kfree|2',
't4_l2t_alloc_switching|cxgb4_l2t_release|1',
't4_prep_adapter|kfree|2',
'ubi_wl_get_peb|ubi_ro_mode|2',
'usb_create_hcd|kfree|1',
'usb_phy_init|usb_phy_shutdown|2',
'vb2_queue_init|kfree|2',
'wl1251_ps_elp_wakeup|wl1251_ps_elp_sleep|2',
'wl1271_ps_elp_wakeup|wl1271_ps_elp_sleep|2',
'xhci_halt|kfree|2',
'xhci_reset|kfree|2',
'xillybus_init_endpoint|kfree|1',
]
# skip alloc or release
skiplist = [
'alloc_etherdev', 'cdev_alloc', 'clk_disable_unprepare', 'clk_put',
'csio_get_scsi_ioreq_lock', 'destroy_workqueue', 'drm_fb_helper_fini',
'free', 'free_netdev', 'hid_add_device', 'hid_parse',
'i915_gem_init_hw', 'i915_gem_object_unpin', 'iounmap', 'IS_ERR',
'KMEM_CACHE', 'lpfc_selective_reset', 'misc_deregister',
'pci_disable_device', 'pcmcia_enable_device', 'platform_device_del',
'platform_device_unregister', 'platform_driver_unregister',
'platform_device_put', 'platform_get_resource', 's5p_mfc_reset',
'spi_get_ctldata', 'uart_unregister_driver', 'ubi_dump_vid_hdr',
'udl_gem_alloc_object', 'vfree', 'videobuf_alloc_vb',
'videobuf_sg_alloc', 'vzalloc'
]
funcs = {}
# prepare data
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
if line in _extlist:
continue
a = line.split('|')
if skiplist.count(a[0]) != 0:
continue
if skiplist.count(a[1]) != 0:
continue
if len(a) < 3:
continue
if "%s|%s|%s" % (a[0], a[1], a[2]) in _extlist:
continue
if len(a[0]) < 1:
continue
if funcs.has_key(a[0]):
if funcs[a[0]]['key'] != a[2]:
#print "wrong key: %s|%s|%s|%s" % (a[0], a[1], a[2], a[3])
continue
if funcs[a[0]]['func'].count(a[1]) == 0:
funcs[a[0]]['func'].append(a[1])
else:
if fixlist.has_key(a[0]):
funcs[a[0]] = {'key': a[2], 'func': [fixlist[a[0]]]}
if funcs[a[0]]['func'].count(a[1]) == 0:
funcs[a[0]]['func'].append(a[1])
else:
funcs[a[0]] = {'key': a[2], 'func': [a[1]]}
# write script
for _func in funcs.keys():
_release = funcs[_func]['func'][0]
if funcs[_func]['key'] == '1':
continue
print '\
@r1__%s exists@\n\
expression nm;\n\
expression E != {0};\n\
statement S;\n\
position p1, p2;\n\
@@\n\
nm = %s(...);\n\
if (nm == NULL) S\n\
... when != %s(nm)\n\
if@p1 (...) {\n\
... when != %s(nm)' % (_func, _func, _release, _release)
for _ref in funcs[_func]['func'][1:]:
print ' when != %s(nm)' % _ref
print ' when forall\n\
return@p2 E;\n\
}\n\
\n\
@depends on r1__%s@\n\
expression r1__%s.nm, r1__%s.E;\n\
position r1__%s.p2;\n\
@@\n\
+ %s(nm);\n\
return@p2 E;\n\
' % (_func, _func, _func, _func, _release)
elif funcs[_func]['key'] == '2':
print '\
@r1__%s exists@\n\
expression ret, nm;\n\
expression E != {0};\n\
statement S;\n\
position p1, p2;\n\
@@\n\
ret = %s(nm);\n\
if (\(ret < 0\|ret != 0\)) S\n\
... when != %s(nm)\n\
if@p1 (...) {\n\
... when != %s(nm)' % (_func, _func, _release, _release)
for _ref in funcs[_func]['func'][1:]:
print ' when != %s(nm)' % _ref
print ' when forall\n\
return@p2 E;\n\
}\n\
\n\
@depends on r1__%s@\n\
expression r1__%s.nm, r1__%s.E;\n\
position r1__%s.p2;\n\
@@\n\
+ %s(nm);\n\
return@p2 E;\n\
' % (_func, _func, _func, _func, _release)
#print json.dumps(funcs, indent=4)
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next'
print '/// fix return value check in {{function}}\n\
///\n\
/// In case of error, the function XXXX() returns NULL pointer\n\
/// not ERR_PTR(). The IS_ERR() test in the return value check\n\
/// should be replaced with NULL test.\n\
///\n'
skip_list = []
if not os.path.exists(DATAFILE):
lines = []
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 60 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
for line in _execute_shell(sargs):
if not re.search('\w+', line):
continue
if lines.count(line) != 0:
continue
if line in skip_list:
continue
lines.append(line)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
funcs = []
for line in lines:
line = line.replace('\n', '')
if line.find('//') != -1:
continue
if line.find('|') != -1:
line = line.split('|')[0]
if line in skip_list:
continue
funcs.append(line)
print '@@\n\
expression ret, E;\n\
@@\n\
ret = \(%s\)(...);\n\
... when != ret = E\n\
(\n\
- IS_ERR(ret)\n\
+ !ret\n\
|\n\
- !IS_ERR(ret)\n\
+ ret\n\
)\n' % '\|\n'.join(funcs)
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next'
print '/// fix return value check in {{function}}\n\
///\n\
/// In case of error, the function XXXX() returns NULL pointer\n\
/// not ERR_PTR(). The IS_ERR() test in the return value check\n\
/// should be replaced with NULL test.\n\
///\n'
skip_list = []
if not os.path.exists(DATAFILE):
lines = []
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 60 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
for line in _execute_shell(sargs):
if not re.search('\w+', line):
continue
if lines.count(line) != 0:
continue
if line in skip_list:
continue
lines.append(line)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
funcs = []
for line in lines:
line = line.replace('\n', '')
if line.find('//') != -1:
continue
if line.find('|') != -1:
line = line.split('|')[0]
if line in skip_list:
continue
funcs.append(line)
print '@@\n\
expression ret, E;\n\
@@\n\
ret = \(%s\)(...);\n\
... when != ret = E\n\
(\n\
- IS_ERR(ret)\n\
+ !ret\n\
|\n\
- !IS_ERR(ret)\n\
+ ret\n\
)\n' % '\|\n'.join(funcs)
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next/drivers/'
if not os.path.exists(DATAFILE):
lines = []
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 30 -very_quiet -sp_file %s %s' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
afuncs = []
bfuncs = []
funcinfo = {}
tfuncinfo = {}
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
a = line.split('|')
if len(a) < 3:
continue
afuncs.append(a[0])
bfuncs.append(a[1])
if afuncs.count(a[0]) > 1:
funcinfo[a[0]] = None
else:
funcinfo[a[0]] = a[1]
tfuncinfo[a[0]] = a[2]
for func in funcinfo.keys():
if funcinfo[func] is None:
continue
if func in ['PTR_RET', 'IS_ERR']:
continue
if afuncs.count(func) > 1:
continue
if bfuncs.count(funcinfo[func]) > 1 and not funcinfo[func] in ['kfree']:
continue
lines.append("%s|%s|%s|%s" % (func, funcinfo[func], tfuncinfo[func], sfile))
print "%s|%s|%s|%s" % (func, funcinfo[func], tfuncinfo[func], sfile)
fp = open(DATAFILE, "w")
fp.write('\n'.join(lines))
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
print '/// add missing {{function1}} on error path in {{function}}\n\
///\n\
/// Add the missing {{function1}} before return from\n\
/// {{function}} in the error handling case.\n'
fixlist = {
'lpfc_sli4_rb_alloc': 'lpfc_sli4_rb_free',
'lpfc_els_hbq_alloc': 'lpfc_els_hbq_free',
'init_bch': 'free_bch',
'usb_create_hcd': 'usb_create_hcd',
'scsi_host_alloc': 'scsi_host_put'
}
# skip entry
_extlist = ['vmalloc|kfree|1',
'request_mem_region|release_resource|1',
'device_register|put_device|2',
'ad7606_reset|ad7606_free_gpios|2',
'ahci_stop_engine|ahci_start_engine|2',
'apei_exec_pre_map_gars|apei_exec_post_unmap_gars|2',
'ast_mm_init|kfree|2',
'ath10k_hif_power_up|ath10k_hif_power_down|2',
'ath10k_htt_tx_alloc_msdu_id|ath10k_htt_tx_dec_pending|2',
'ath10k_pci_wake|ath10k_pci_sleep|2',
'ath6kl_htc_start|ath6kl_htc_stop|2',
'ath6kl_wmi_init|ath6kl_wmi_shutdown|1',
'bch_cache_set_alloc|bch_cache_set_unregister|1',
'be_chk_reset_complete|beiscsi_unmap_pci_function|2',
'bnx2fc_send_fw_fcoe_init_msg|bnx2fc_unbind_adapter_devices|2',
'brcmf_p2p_attach|wl_deinit_priv|2',
'chp_update_desc|kfree|2',
'clk_prepare_enable|clk_unprepare|2',
'CMD_SP|fc_fcp_pkt_release|1',
'cpia2_init_camera_struct|kfree|1',
'create_wlan|kfree|1',
'cryp_check|kfree|2',
'device_bind_driver|device_unregister|2',
'device_register|device_del|2',
'device_register|put_device|2',
'dgrp_tty_init|kfree|2',
'dsp_reload|kfree|2',
'ehea_sense_port_attr|ehea_unregister_port|2',
'es|ecard_release_resources|2',
'exynos_drm_gem_init|kfree|1',
'get_cpu_device|put_cluster_clk_and_freq_table|1',
'gpio_to_irq|gpio_free|2',
'hash_check_hw|kfree|2',
'i1480_mac_fw_upload|i1480_print_state|2',
'i915_gem_init_hw|i915_gem_cleanup_ringbuffer|2',
'i915_gem_object_get_pages|i915_gem_object_unpin_pages|2',
'init_ft1000_netdev|kfree|2',
'intelfbhw_check_non_crt|cleanup|2',
'inv_mpu6050_probe_trigger|iio_triggered_buffer_cleanup|2',
'ioat_dma_setup_interrupts|ioat_disable_interrupts|2',
'iwl_run_init_ucode|iwl_down|2',
'ldlm_handle2lock|LDLM_LOCK_PUT|1',
'_malloc|kfree|1',
'mantis_pci_init|kfree|2',
'mdesc_grab|mdesc_release|1',
'mempool_alloc|fc_exch_hold|1',
'nand_scan_tail|nand_release|2',
'NCR_700_detect|scsi_host_put|1',
'of_device_alloc|platform_device_put|1',
'pch_gbe_hal_read_mac_addr|pch_gbe_hal_phy_hw_reset|2',
'pci_alloc_dev|pci_stop_and_remove_bus_device|1',
'pcibios_add_platform_entries|pci_remove_resource_files|2',
'pci_create_sysfs_dev_files|pci_dev_put|2',
'pci_get_domain_bus_and_slot|pci_dev_put|1',
'pcmcia_request_io|pcmcia_disable_device|2',
'pm_runtime_get_sync|pm_runtime_disable|2',
'ptlrpc_queue_wait|ptlrpc_req_finished|2',
'pwc_init_controls|kfree|2',
'qlcnic_83xx_enable_flash_write|qlcnic_83xx_unlock_flash|2',
'r600_parse_extended_power_table|ci_dpm_fini|2',
'radeon_dummy_page_init|radeon_gart_fini|2',
'register_sja1000dev|free_sja1000dev|2',
'rsxx_creg_setup|kfree|2',
's3c_camif_create_subdev|s3c_camif_unregister_subdev|2',
's3c_camif_create_subdev|s3c_camif_unregister_subdev|2',
'sas_end_device_alloc|sas_rphy_free|1',
'sas_port_add|sas_port_mark_backlink|2',
'sdhci_add_host|sdhci_bcm_kona_sd_reset|2',
'setup_fritz|kfree|2',
'skb_unshare|kfree_skb|1',
'snd_cx18_pcm_create|kfree|2',
'snd_ivtv_pcm_create|kfree|2',
'st5481_setup_b|st5481_release_b|2',
'stk1160_vb2_setup|kfree|2',
't4_l2t_alloc_switching|cxgb4_l2t_release|1',
't4_prep_adapter|kfree|2',
'ubi_wl_get_peb|ubi_ro_mode|2',
'usb_create_hcd|kfree|1',
'usb_phy_init|usb_phy_shutdown|2',
'vb2_queue_init|kfree|2',
'wl1251_ps_elp_wakeup|wl1251_ps_elp_sleep|2',
'wl1271_ps_elp_wakeup|wl1271_ps_elp_sleep|2',
'xhci_halt|kfree|2',
'xhci_reset|kfree|2',
'xillybus_init_endpoint|kfree|1',
]
# skip alloc or release
skiplist = ['alloc_etherdev',
'cdev_alloc',
'clk_disable_unprepare',
'clk_put',
'csio_get_scsi_ioreq_lock',
'destroy_workqueue',
'drm_fb_helper_fini',
'free',
'free_netdev',
'hid_add_device',
'hid_parse',
'i915_gem_init_hw',
'i915_gem_object_unpin',
'iounmap',
'IS_ERR',
'KMEM_CACHE',
'lpfc_selective_reset',
'misc_deregister',
'pci_disable_device',
'pcmcia_enable_device',
'platform_device_del',
'platform_device_unregister',
'platform_driver_unregister',
'platform_device_put',
'platform_get_resource',
's5p_mfc_reset',
'spi_get_ctldata',
'uart_unregister_driver',
'ubi_dump_vid_hdr',
'udl_gem_alloc_object',
'vfree',
'videobuf_alloc_vb',
'videobuf_sg_alloc',
'vzalloc' ]
funcs = {}
# prepare data
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
if line in _extlist:
continue
a = line.split('|')
if skiplist.count(a[0]) != 0:
continue
if skiplist.count(a[1]) != 0:
continue
if len(a) < 3:
continue
if "%s|%s|%s" % (a[0], a[1], a[2]) in _extlist:
continue
if len(a[0]) < 1:
continue
if funcs.has_key(a[0]):
if funcs[a[0]]['key'] != a[2]:
#print "wrong key: %s|%s|%s|%s" % (a[0], a[1], a[2], a[3])
continue
if funcs[a[0]]['func'].count(a[1]) == 0:
funcs[a[0]]['func'].append(a[1])
else:
if fixlist.has_key(a[0]):
funcs[a[0]] = {'key': a[2], 'func': [fixlist[a[0]]]}
if funcs[a[0]]['func'].count(a[1]) == 0:
funcs[a[0]]['func'].append(a[1])
else:
funcs[a[0]] = {'key': a[2], 'func': [a[1]]}
# write script
for _func in funcs.keys():
_release = funcs[_func]['func'][0]
if funcs[_func]['key'] == '1':
continue
print '\
@r1__%s exists@\n\
expression nm;\n\
expression E != {0};\n\
statement S;\n\
position p1, p2;\n\
@@\n\
nm = %s(...);\n\
if (nm == NULL) S\n\
... when != %s(nm)\n\
if@p1 (...) {\n\
... when != %s(nm)' % (_func, _func, _release, _release)
for _ref in funcs[_func]['func'][1:]:
print ' when != %s(nm)' % _ref
print ' when forall\n\
return@p2 E;\n\
}\n\
\n\
@depends on r1__%s@\n\
expression r1__%s.nm, r1__%s.E;\n\
position r1__%s.p2;\n\
@@\n\
+ %s(nm);\n\
return@p2 E;\n\
' % (_func, _func, _func, _func, _release)
elif funcs[_func]['key'] == '2':
print '\
@r1__%s exists@\n\
expression ret, nm;\n\
expression E != {0};\n\
statement S;\n\
position p1, p2;\n\
@@\n\
ret = %s(nm);\n\
if (\(ret < 0\|ret != 0\)) S\n\
... when != %s(nm)\n\
if@p1 (...) {\n\
... when != %s(nm)' % (_func, _func, _release, _release)
for _ref in funcs[_func]['func'][1:]:
print ' when != %s(nm)' % _ref
print ' when forall\n\
return@p2 E;\n\
}\n\
\n\
@depends on r1__%s@\n\
expression r1__%s.nm, r1__%s.E;\n\
position r1__%s.p2;\n\
@@\n\
+ %s(nm);\n\
return@p2 E;\n\
' % (_func, _func, _func, _func, _release)
#print json.dumps(funcs, indent=4)
return 0
def main(args):
kdir = '/var/lib/dpatch/repo/linux-next/'
skip_list = [
'malloc',
'readb',
'xchg',
'PDE_DATA',
'ioread32',
'in_be32',
'nv_ro16',
'be32_to_cpu',
'le32_to_cpu',
'min',
'min_t',
'inl',
'inb',
'container_of',
'ERR_CAST',
'ERR_PTR',
'list_entry',
'list_first_entry',
'key_ref_to_ptr',
# skip special function
'posix_acl_from_xattr',
'skb_gso_segment',
'd_hash_and_lookup'
]
_fix_table = {
"clk_get": "IS_ERR",
"dma_buf_attach": "IS_ERR",
"platform_device_register_resndata": "IS_ERR",
"syscon_node_to_regmap": "IS_ERR",
"clk_get_parent": "NULL",
"container_of": "NULL",
"devm_request_and_ioremap": "NULL",
"scsi_host_lookup": "NULL",
"ubifs_fast_find_freeable": "NULL",
"ubifs_fast_find_frdi_idx": "NULL",
"btrfs_get_acl": "IS_ERR_OR_NULL",
"btrfs_lookup_xattr": "IS_ERR_OR_NULL",
"dma_buf_map_attachment": "IS_ERR_OR_NULL",
"ext2_get_acl": "IS_ERR_OR_NULL",
"ext3_get_acl": "IS_ERR_OR_NULL",
"ext4_get_acl": "IS_ERR_OR_NULL",
"f2fs_get_acl": "IS_ERR_OR_NULL",
"flow_cache_lookup": "IS_ERR_OR_NULL",
"follow_page_mask": "IS_ERR_OR_NULL",
"gfs2_get_acl": "IS_ERR_OR_NULL",
"gfs2_lookupi": "IS_ERR_OR_NULL",
"get_phy_device": "IS_ERR_OR_NULL",
"hfsplus_get_posix_acl": "IS_ERR_OR_NULL",
"jffs2_get_acl": "IS_ERR_OR_NULL",
"jfs_get_acl": "IS_ERR_OR_NULL",
"nfs3_proc_getacl": "IS_ERR_OR_NULL",
"posix_acl_from_xattr": "IS_ERR_OR_NULL",
"reiserfs_get_acl": "IS_ERR_OR_NULL",
"xfs_get_acl": "IS_ERR_OR_NULL",
}
if not os.path.exists(DATAFILE):
sfiles = _execute_shell("find %s -type f" % kdir)[0:-1]
count = 0
fp = open(DATAFILE, "w")
for sfile in sfiles:
if not is_source_file(sfile):
continue
if count > 0 and count % 100 == 0:
print 'total: %d, current: %d' % (count, len(sfiles))
count += 1
sargs = '/usr/bin/spatch -I %s -timeout 20 -very_quiet -sp_file %s %s | sort -u' % (
os.path.join(kdir, 'include'), SCRIPTFILE, sfile)
lines = []
for line in _execute_shell(sargs):
if line.find('|') == -1:
continue
#if not re.search('\w+', line):
# continue
#if lines.count(line) != 0:
# continue
if line in skip_list:
continue
lines.append("%s|%s" % (line, sfile))
if len(lines):
fp.write('\n'.join(lines))
fp.write('\n')
fp.close()
fp = open(DATAFILE, "r")
lines = fp.readlines()
fp.close()
# merge data
mlines = []
lastfile = None
mfuncs = {}
for line in lines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if a[1] == 'IS_ERR_OR_NULL':
continue
if lastfile != a[2]:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
mfuncs.clear()
lastfile = a[2]
if mfuncs.has_key(a[0]) and mfuncs[a[0]] != a[1]:
#print 'fix for function: %s in file %s' %(a[0], a[2])
mfuncs[a[0]] = 'IS_ERR_OR_NULL'
else:
mfuncs[a[0]] = a[1]
if not lastfile is None:
for fun in mfuncs.keys():
mlines.append("%s|%s|%s" % (fun, mfuncs[fun], lastfile))
funcs = {}
for line in mlines:
if line.find('|') == -1:
continue
line = line.replace('\n', '')
a = line.split('|')
if len(a) < 3:
continue
if a[0] in skip_list:
continue
if funcs.has_key(a[0]):
funcs[a[0]]['cnt'] += 1
if funcs[a[0]]['type'] != a[1]:
if a[1] == 'IS_ERR_OR_NULL':
#print "WARN: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], funcs[a[0]]['type'], a[2])
continue
if a[0].find('debugfs_') == 0 and not is_config_debug_fs(a[2]):
continue
print "ERROR: %s, type: %s, real type: %s, file: %s" % (
a[0], a[1], funcs[a[0]]['type'], a[2])
else:
if _fix_table.has_key(a[0]):
if _fix_table[a[0]] != a[1]:
if a[1] == 'IS_ERR_OR_NULL':
#print "WARN: %s, type: %s, real type: %s, file: %s" % (a[0], a[1], _fix_table[a[0]], a[2])
continue
if a[0].find('debugfs_') == 0 and not is_config_debug_fs(
a[2]):
continue
print "ERROR: %s, type: %s, real type: %s, file: %s" % (
a[0], a[1], _fix_table[a[0]], a[2])
funcs[a[0]] = {'type': _fix_table[a[0]], 'cnt': 1}
else:
funcs[a[0]] = {'type': a[1], 'cnt': 1}
else:
funcs[a[0]] = {'type': a[1], 'cnt': 1}
if not os.path.exists(ERRFILE):
tmps = []
for fn in funcs.keys():
if funcs[fn]['type'] != 'IS_ERR':
continue
tmps.append("%s|%s|%s" % (fn, funcs[fn]['type'], funcs[fn]['cnt']))
fp = open(ERRFILE, "w")
fp.write("// Update: %s\n" % datetime.datetime.now())
fp.write('\n'.join(tmps))
fp.close()
if not os.path.exists(NULLFILE):
tmps = []
for fn in funcs.keys():
if funcs[fn]['type'] != 'NULL' or funcs[fn]['cnt'] < 2:
continue
tmps.append("%s|%s|%s" % (fn, funcs[fn]['type'], funcs[fn]['cnt']))
fp = open(NULLFILE, "w")
fp.write("// Update: %s\n" % datetime.datetime.now())
fp.write('\n'.join(tmps))
fp.close()
return 0