Chengyu Song e2ac55b6a8 ocfs2: incorrect check for debugfs returns ... debugfs_create_dir and debugfs_create_file may return -ENODEV when debugfs is not configured, so the return value should be checked against ERROR_VALUE as well, otherwise the later dereference of the dentry pointer would crash the kernel. This patch tries to solve this problem by fixing certain checks. However, I have that found other call sites are protected by #ifdef CONFIG_DEBUG_FS. In current implementation, if CONFIG_DEBUG_FS is defined, then the above two functions will never return any ERROR_VALUE. So another possibility to fix this is to surround all the buggy checks/functions with the same #ifdef CONFIG_DEBUG_FS. But I'm not sure if this would break any functionality, as only OCFS2_FS_STATS declares dependency on DEBUG_FS. Signed-off-by: Chengyu Song <csong84@gatech.edu> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2015-04-14 16:48:58 -07:00
..
cluster	ocfs2: incorrect check for debugfs returns	2015-04-14 16:48:58 -07:00
dlm	o2dlm: fix NULL pointer dereference in o2dlm_blocking_ast_wrapper	2015-02-10 14:30:30 -08:00
dlmfs	fs: remove mapping->backing_dev_info	2015-01-20 14:03:05 -07:00
acl.c	ocfs2: remove unnecessary else in ocfs2_set_acl()	2015-02-10 14:30:28 -08:00
acl.h
alloc.c	ocfs2: one function call less in ocfs2_merge_rec_right() after error detection	2015-04-14 16:48:57 -07:00
alloc.h	ocfs2: reflink: fix slow unlink for refcounted file	2014-12-18 19:08:11 -08:00
aops.c	ocfs2: do not use ocfs2_zero_extend during direct IO	2015-04-14 16:48:57 -07:00
aops.h
blockcheck.c
blockcheck.h
buffer_head_io.c
buffer_head_io.h
dcache.c	assorted conversions to %p[dD]	2014-11-19 13:01:20 -05:00
dcache.h
dir.c	ocfs2: fix a typo in the copyright statement	2015-04-14 16:48:58 -07:00
dir.h
dlmglue.c	ocfs2: incorrect check for debugfs returns	2015-04-14 16:48:58 -07:00
dlmglue.h
export.c	ocfs2: fix possible uninitialized variable access	2015-04-14 16:48:58 -07:00
export.h
extent_map.c
extent_map.h
file.c	ocfs2: _really_ sync the right range	2015-04-09 07:18:48 -04:00
file.h	ocfs2: prepare some interfaces used in append direct io	2015-02-16 17:56:04 -08:00
heartbeat.c
heartbeat.h
inode.c	ocfs2: use ENOENT instead of EEXIST when get system file fails	2015-04-14 16:48:58 -07:00
inode.h	ocfs2: wait for orphan recovery first once append O_DIRECT write crash	2015-02-16 17:56:05 -08:00
ioctl.c	ocfs2: do not write error flag to user structure we cannot copy from/to	2014-08-29 16:28:16 -07:00
ioctl.h
journal.c	ocfs2: wait for orphan recovery first once append O_DIRECT write crash	2015-02-16 17:56:05 -08:00
journal.h	ocfs2: add functions to add and remove inode in orphan dir	2015-02-16 17:56:04 -08:00
Kconfig
localalloc.c	ocfs2: fix possible uninitialized variable access	2015-04-14 16:48:58 -07:00
localalloc.h
locks.c
locks.h
Makefile
mmap.c	mm: drop vm_ops->remap_pages and generic_file_remap_pages() stub	2015-02-10 14:30:30 -08:00
mmap.h
move_extents.c	ocfs2: remove bogus NULL check in ocfs2_move_extents()	2014-12-10 17:41:04 -08:00
move_extents.h
namei.c	ocfs2: use ENOENT instead of EEXIST when get system file fails	2015-04-14 16:48:58 -07:00
namei.h	ocfs2: add functions to add and remove inode in orphan dir	2015-02-16 17:56:04 -08:00
ocfs1_fs_compat.h
ocfs2_fs.h	ocfs2: make append_dio an incompat feature	2015-03-12 18:46:07 -07:00
ocfs2_ioctl.h
ocfs2_lockid.h
ocfs2_lockingver.h
ocfs2_trace.h	ocfs2: fix a tiny race when running dirop_fileop_racer	2014-06-23 16:47:45 -07:00
ocfs2.h	ocfs2: make append_dio an incompat feature	2015-03-12 18:46:07 -07:00
quota_global.c	ocfs2: Don't use MAXQUOTAS value	2014-09-17 11:59:12 +02:00
quota_local.c	Merge branch 'akpm' (patches from Andrew)	2015-02-10 16:45:56 -08:00
quota.h	ocfs2: Move OLQF_CLEAN flag out of generic quota flags	2015-01-21 19:21:30 +01:00
refcounttree.c	ocfs2: dereferencing freed pointers in ocfs2_reflink()	2015-04-14 16:48:57 -07:00
refcounttree.h
reservations.c	ocfs2: make resv_lock spinlock static	2015-02-10 14:30:29 -08:00
reservations.h
resize.c	ocfs2: fix incorrect i_size of global bitmap inode after resize	2014-06-04 16:53:54 -07:00
resize.h
slot_map.c	ocfs2: one function call less in ocfs2_init_slot_info() after error detection	2015-04-14 16:48:57 -07:00
slot_map.h
stack_o2cb.c	ocfs2: avoid a pointless delay in o2cb_cluster_check()	2015-04-14 16:48:57 -07:00
stack_user.c	ocfs2: one function call less in user_cluster_connect() after error detection	2015-04-14 16:48:57 -07:00
stackglue.c	ocfs2: remove NULL assignments on static	2014-06-04 16:53:53 -07:00
stackglue.h
suballoc.c	ocfs2: rollback the cleared bits if error occurs after ocfs2_block_group_clear_bits	2015-04-14 16:48:58 -07:00
suballoc.h
super.c	ocfs2: incorrect check for debugfs returns	2015-04-14 16:48:58 -07:00
super.h
symlink.c
symlink.h
sysfile.c
sysfile.h
uptodate.c	ocfs2: remove NULL assignments on static	2014-06-04 16:53:53 -07:00
uptodate.h
xattr.c	ocfs2: fix possible uninitialized variable access	2015-04-14 16:48:58 -07:00
xattr.h