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Xi Wang 31c4e8cd42 nfs: fix null checking in nfs_get_option_str() 
commit e25fbe380c upstream.

The following null pointer check is broken.

	*option = match_strdup(args);
	return !option;

The pointer `option' must be non-null, and thus `!option' is always false.
Use `!*option' instead.

The bug was introduced in commit c5cb09b6f8 ("Cleanup: Factor out some
cut-and-paste code.").

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 09:03:38 -08:00
..
9p fs/9p: Use protocol-defined value for lock/getlock 'type' field. 2011-10-03 11:40:22 -07:00
adfs Fix common misspellings 2011-03-31 11:26:23 -03:00
affs affs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:53 -04:00
afs afs: Remote abort can cause BUG in rxrpc code 2012-03-23 11:20:51 -07:00
autofs4 autofs4 - fix reset pending flag on mount fail 2012-10-21 09:17:10 -07:00
befs befs: Validate length of long symbolic links. 2011-08-29 13:29:06 -07:00
bfs bfs: remove unnecessary dentry_unhash on dir rename 2011-05-28 01:02:50 -04:00
btrfs Btrfs: call the ordered free operation without any locks held 2012-08-09 08:27:50 -07:00
cachefiles Fix common misspellings 2011-03-31 11:26:23 -03:00
ceph tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-21 09:17:10 -07:00
cifs cifs: always update the inode cache with the results from a FIND_* 2012-08-01 12:26:53 -07:00
coda coda_ioctl_permission() is safe in RCU mode 2011-06-20 10:44:19 -04:00
configfs configfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
cramfs cramfs: get_cramfs_inode() returns ERR_PTR() on failure 2011-07-17 23:22:02 -04:00
debugfs debugfs: move to new strtobool 2011-05-19 16:55:28 +09:30
devpts fs/devpts/inode.c: correctly check d_alloc_name() return code in devpts_pty_new() 2011-03-22 17:44:17 -07:00
dlm Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
ecryptfs eCryptfs: check for eCryptfs cipher support at mount 2012-11-26 11:34:55 -08:00
efs
exofs fix exofs ->get_parent() 2011-07-17 23:20:29 -04:00
exportfs
ext2 ext2: remove unnecessary dentry_unhash on rmdir/rename_dir 2011-05-26 07:26:56 -04:00
ext3 ext3: Fix fdatasync() for files with only i_size changes 2012-09-14 10:00:50 -07:00
ext4 ext4: fix fdatasync() for files with only i_size changes 2012-10-13 05:28:10 +09:00
fat fat: Fix corrupt inode flags when remove ATTR_SYS flag 2011-05-31 19:42:24 +09:00
freevxfs treewide: fix a few typos in comments 2011-05-10 10:16:21 +02:00
fscache FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop 2011-07-21 10:59:16 -07:00
fuse fuse: fix retrieve length 2012-09-14 10:00:50 -07:00
gfs2 tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-21 09:17:10 -07:00
hfs hfs: fix hfs_find_init() sb->ext_tree NULL ptr oops 2011-12-21 12:57:41 -08:00
hfsplus hfsplus: fix overflow in sector calculations in hfsplus_submit_bio 2012-06-22 11:34:14 -07:00
hostfs hostfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:52 -04:00
hpfs hpfs: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
hppfs hppfs: missing include 2011-11-11 09:35:59 -08:00
hugetlbfs mm: compaction: introduce sync-light migration for use by compaction 2012-08-01 12:27:18 -07:00
isofs tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-21 09:17:10 -07:00
jbd jbd: Fix lock ordering bug in journal_unmap_buffer() 2012-12-03 12:59:14 -08:00
jbd2 jbd2: use GFP_NOFS for blkdev_issue_flush 2012-04-27 09:51:07 -07:00
jffs2 jffs2: Fix lock acquisition order bug in gc path 2012-05-21 09:40:03 -07:00
jfs jfs: agstart field must be 64 bits 2011-06-20 17:53:24 -05:00
lockd Revert: lockd: use rpc client's cl_nodename for id encoding 2012-10-28 10:02:11 -07:00
logfs logfs doesn't need ->permission() at all 2011-06-20 10:44:26 -04:00
minix minix: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28 01:02:54 -04:00
ncpfs ncpfs: fix rename over directory with dangling references 2011-05-28 01:02:53 -04:00
nfs nfs: fix null checking in nfs_get_option_str() 2013-01-11 09:03:38 -08:00
nfs_common Fix common misspellings 2011-03-31 11:26:23 -03:00
nfsd nfsd4: fix oops on unusual readlike compound 2013-01-11 09:03:38 -08:00
nilfs2 nilfs2: fix deadlock issue between chcp and thaw ioctls 2012-08-15 12:04:10 -07:00
nls
notify fanotify: fix missing break 2012-11-26 11:34:33 -08:00
ntfs Fix common misspellings 2011-03-31 11:26:23 -03:00
ocfs2 ocfs2: ->e_leaf_clusters endianness breakage 2012-04-27 09:51:18 -07:00
omfs Remove unneeded version.h includes from fs/ 2011-06-24 08:34:22 -07:00
openpromfs
partitions block: Fix NULL pointer dereference in sd_revalidate_disk 2012-03-19 08:57:58 -07:00
proc proc-ns: use d_set_d_op() API to set dentry ops in proc_ns_instantiate(). 2012-04-02 09:27:18 -07:00
pstore pstore: fix pstore filesystem mount/remount issue 2011-05-16 11:05:00 -07:00
qnx4
quota VFS: Fix the remaining automounter semantics regressions 2011-11-11 09:36:22 -08:00
ramfs fs: ramfs: file-nommu: add SetPageUptodate() 2012-07-16 08:47:52 -07:00
reiserfs reiserfs: Protect reiserfs_quota_write() with write lock 2012-11-26 11:34:56 -08:00
romfs romfs: fix romfs_get_unmapped_area() argument check 2011-06-27 18:00:12 -07:00
squashfs Squashfs: fix mount time sanity check for corrupted superblock 2012-10-02 09:47:54 -07:00
sysfs sysfs: sysfs_pathname/sysfs_add_one: Use strlcat() instead of strcat() 2012-10-31 09:51:35 -07:00
sysv sysv: remove unnecessary dentry_unhash from rmdir, dir rename 2011-05-28 01:02:50 -04:00
ubifs UBIFS: introduce categorized lprops counter 2012-11-26 11:34:34 -08:00
udf udf: fix retun value on error path in udf_load_logicalvol 2012-10-21 09:17:12 -07:00
ufs ufs should use d_splice_alias() 2011-07-17 23:21:35 -04:00
xfs xfs: fix reading of wrapped log data 2012-11-17 13:14:25 -08:00
aio.c vfs: make AIO use the proper rw_verify_area() area helpers 2012-06-01 15:12:53 +08:00
anon_inodes.c
attr.c Cache xattr security drop check for write v2 2011-05-28 12:02:09 -04:00
bad_inode.c bad_inode_permission() is safe from RCU mode 2011-06-20 10:44:00 -04:00
binfmt_aout.c
binfmt_elf.c coredump: prevent double-free on an error path in core dumper 2012-10-07 08:27:25 -07:00
binfmt_elf_fdpic.c FDPIC: Fix memory leak 2011-07-06 12:15:16 -07:00
binfmt_em86.c
binfmt_flat.c CRED: Fix load_flat_shared_library() to initialise bprm correctly 2011-05-03 10:10:51 +10:00
binfmt_misc.c exec: do not leave bprm->interp on stack 2013-01-11 09:03:36 -08:00
binfmt_script.c exec: do not leave bprm->interp on stack 2013-01-11 09:03:36 -08:00
binfmt_som.c
bio-integrity.c block: Require subsystems to explicitly allocate bio_set integrity mempool 2011-03-17 11:11:05 +01:00
bio.c block: improve the bio_add_page() and bio_add_pc_page() descriptions 2011-05-28 14:44:46 +02:00
block_dev.c block: don't mark buffers beyond end of disk as mapped 2012-06-01 15:12:52 +08:00
buffer.c block: replace __getblk_slow misfix by grow_dev_page fix 2012-09-14 10:00:39 -07:00
char_dev.c
compat.c vfs: missed source of ->f_pos races 2012-09-14 10:00:37 -07:00
compat_binfmt_elf.c
compat_ioctl.c fs/compat_ioctl.c: VIDEO_SET_SPU_PALETTE missing error check 2012-10-31 09:51:34 -07:00
dcache.c vfs: dcache: fix deadlock in tree traversal 2012-10-07 08:27:23 -07:00
dcookies.c oprofile, dcookies: Fix possible circular locking dependency 2011-05-31 16:33:35 +02:00
direct-io.c Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block 2011-03-24 10:16:26 -07:00
drop_caches.c vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
eventfd.c
eventpoll.c Don't limit non-nested epoll paths 2012-04-27 09:51:09 -07:00
exec.c exec: do not leave bprm->interp on stack 2013-01-11 09:03:36 -08:00
fcntl.c userns: rename is_owner_or_cap to inode_owner_or_capable 2011-03-23 19:47:13 -07:00
fhandle.c fs/fhandle.c: add <linux/personality.h> for ia64 2011-04-14 16:06:56 -07:00
fifo.c fifo: Do not restart open() if it already found a partner 2012-07-19 08:58:21 -07:00
file.c vfs: avoid large kmalloc()s for the fdtable 2011-04-28 11:28:20 -07:00
file_table.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2011-03-16 13:26:17 -07:00
filesystems.c fs: synchronize_rcu when unregister_filesystem success not failure 2011-04-17 10:42:01 -07:00
fs-writeback.c writeback: update dirtied_when for synced inode to prevent livelock 2011-10-03 11:40:44 -07:00
fs_struct.c
generic_acl.c userns: rename is_owner_or_cap to inode_owner_or_capable 2011-03-23 19:47:13 -07:00
inode.c mm: fix assertion mapping->nrpages == 0 in end_writeback() 2011-06-27 18:00:13 -07:00
internal.h fs: move i_wb_list out from under inode_lock 2011-03-24 21:17:51 -04:00
ioctl.c vfs: cleanup do_vfs_ioctl() 2011-03-21 00:16:08 -04:00
ioprio.c
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2011-05-26 09:52:14 -07:00
Kconfig.binfmt
libfs.c fs/libfs.c: fix simple_attr_write() on 32bit machines 2011-07-19 22:09:30 -07:00
locks.c locks: fix checking of fcntl_setlease argument 2012-08-09 08:27:35 -07:00
Makefile Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 2011-03-16 19:01:29 -07:00
mbcache.c vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
mpage.c mm/fs: add hooks to support cleancache 2011-05-26 10:01:43 -06:00
namei.c vfs: fix double put after complete_walk() 2012-03-19 08:57:44 -07:00
namespace.c vfs: umount_tree() might be called on subtree that had never made it 2012-06-10 00:33:01 +09:00
nfsctl.c
no-block.c
open.c vfs: canonicalize create mode in build_open_flags() 2012-09-14 10:00:37 -07:00
pipe.c pipes: add a "packetized pipe" mode for writing 2012-05-07 08:56:36 -07:00
pnode.c
pnode.h
posix_acl.c
read_write.c
read_write.h
readdir.c
select.c select: remove unused MAX_SELECT_SECONDS 2011-03-21 00:16:08 -04:00
seq_file.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-21 12:57:36 -08:00
signalfd.c epoll: ep_unregister_pollwait() can use the freed pwq->whead 2012-02-29 16:34:35 -08:00
splice.c tcp: allow splice() to build full TSO packets 2012-04-27 09:51:18 -07:00
stack.c
stat.c vfs: make O_PATH file descriptors usable for 'fstat()' 2012-10-02 09:47:23 -07:00
statfs.c VFS: fix statfs() automounter semantics regression 2011-11-11 09:37:08 -08:00
super.c wake up s_wait_unfrozen when ->freeze_fs fails 2012-05-21 09:40:05 -07:00
sync.c Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block 2011-03-24 10:16:26 -07:00
timerfd.c timerfd: Fix wakeup of processes when timer is cancelled on clock change 2011-06-14 11:46:14 +02:00
utimes.c userns: rename is_owner_or_cap to inode_owner_or_capable 2011-03-23 19:47:13 -07:00
xattr.c Cache xattr security drop check for write v2 2011-05-28 12:02:09 -04:00
xattr_acl.c