Eric Biggers ef1eb3aa50 fscrypto: make filename crypto functions return 0 on success ... Several filename crypto functions: fname_decrypt(), fscrypt_fname_disk_to_usr(), and fscrypt_fname_usr_to_disk(), returned the output length on success or -errno on failure. However, the output length was redundant with the value written to 'oname->len'. It is also potentially error-prone to make callers have to check for '< 0' instead of '!= 0'. Therefore, make these functions return 0 instead of a length, and make the callers who cared about the return value being a length use 'oname->len' instead. For consistency also make other callers check for a nonzero result rather than a negative result. This change also fixes the inconsistency of fname_encrypt() actually already returning 0 on success, not a length like the other filename crypto functions and as documented in its function comment. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Acked-by: Jaegeuk Kim <jaegeuk@kernel.org>		2016-09-15 17:25:55 -04:00
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9p	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
adfs	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
affs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
afs	rxrpc: Fix races between skb free, ACK generation and replying	2016-08-06 00:08:40 -04:00
autofs4	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
befs
bfs
btrfs	Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs	2016-08-26 20:22:01 -07:00
cachefiles	cachefiles: Fix race between inactivating and culling a cache object	2016-08-03 13:33:26 -04:00
ceph	ceph: initialize pathbase in the !dentry case in encode_caps_cb()	2016-08-09 17:26:56 +02:00
cifs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
coda
configfs	configfs: don't set buffer_needs_fill to zero if show() returns error	2016-07-10 21:02:18 +09:00
cramfs
crypto	fscrypto: make filename crypto functions return 0 on success	2016-09-15 17:25:55 -04:00
debugfs
devpts
dlm	dlm: fix malfunction of dlm_tool caused by debugfs changes	2016-08-26 13:22:14 -05:00
ecryptfs	ecryptfs: don't allow mmap when the lower fs doesn't support it	2016-07-08 10:35:28 -05:00
efivarfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
efs
exofs
exportfs
ext2	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
ext4	fscrypto: make filename crypto functions return 0 on success	2016-09-15 17:25:55 -04:00
f2fs	fscrypto: make filename crypto functions return 0 on success	2016-09-15 17:25:55 -04:00
fat	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
freevxfs
fscache
fuse	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
gfs2	fs: return EPERM on immutable inode	2016-08-07 10:03:31 -04:00
hfs	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
hfsplus	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
hostfs	hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()	2016-08-04 00:18:10 +02:00
hpfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
hugetlbfs
isofs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
jbd2	jbd2: move more common code into journal_init_common()	2016-09-15 12:02:32 -04:00
jffs2
jfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
kernfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
lockd	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-07-28 12:59:05 -07:00
logfs	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
minix
ncpfs	get rid of 'parent' argument of ->d_compare()	2016-07-31 16:37:25 -04:00
nfs	NFS client bugfixes for Linux 4.8	2016-08-12 12:32:24 -07:00
nfs_common
nfsd	nfsd: don't return an unhashed lock stateid after taking mutex	2016-08-12 16:10:25 -04:00
nilfs2	nilfs2: move ioctl interface and disk layout to uapi separately	2016-08-02 19:35:21 -04:00
nls
notify
ntfs	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-07-28 12:59:05 -07:00
ocfs2	Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-06 09:49:02 -04:00
omfs
openpromfs
orangefs	orangefs: Account for jiffies wraparound.	2016-08-02 15:39:13 -04:00
overlayfs	ovl: simplify empty checking	2016-07-29 12:05:25 +02:00
proc	proc, meminfo: use correct helpers for calculating LRU sizes in meminfo	2016-08-11 16:58:13 -07:00
pstore	ramoops: use persistent_ram_free() instead of kfree() for freeing prz	2016-08-05 11:21:46 -07:00
qnx4
qnx6
quota	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
ramfs
reiserfs	reiserfs: fix "new_insert_key may be used uninitialized ..."	2016-08-02 19:35:22 -04:00
romfs
squashfs
sysfs
sysv
tracefs
ubifs	ubifs: Fix xattr generic handler usage	2016-08-23 23:02:52 +02:00
udf	Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block	2016-07-26 15:37:51 -07:00
ufs	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-07-28 12:59:05 -07:00
xfs	Merge branch 'iomap-fixes-4.8-rc3' into for-next	2016-08-17 11:13:37 +10:00
aio.c
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c	elf_fdpic_transfer_args_to_stack(): make it generic	2016-07-25 16:51:49 +10:00
binfmt_elf.c	binfmt_elf: fix calculations for bss padding	2016-08-02 19:35:14 -04:00
binfmt_em86.c	fs/binfmt_em86.c: fix incompatible pointer type	2016-08-02 19:35:15 -04:00
binfmt_flat.c	binfmt_flat: allow compressed flat binary format to work on MMU systems	2016-07-28 13:29:12 +10:00
binfmt_misc.c	binfmt_misc for-linus on 20160727	2016-08-07 10:13:14 -04:00
binfmt_script.c
block_dev.c	fs/block_dev: fix potential NULL ptr deref in freeze_bdev()	2016-08-25 08:38:26 -06:00
buffer.c	xfs: update for 4.8-rc1	2016-07-27 09:53:35 -07:00
char_dev.c	chardev: add missing line break in pr_warn	2016-07-14 16:21:53 +09:00
compat_binfmt_elf.c
compat_ioctl.c
compat.c
coredump.c
dax.c	libnvdimm for 4.8	2016-07-28 17:38:16 -07:00
dcache.c	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
dcookies.c
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c
exec.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu	2016-08-04 18:04:44 -04:00
fcntl.c
fhandle.c
file_table.c
file.c
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c	mm, writeback: flush plugged IO in wakeup_flusher_threads()	2016-08-09 19:58:06 -06:00
inode.c	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-08-07 10:01:14 -04:00
internal.h	binfmt_misc for-linus on 20160727	2016-08-07 10:13:14 -04:00
ioctl.c	vfs: ioctl: prevent double-fetch in dedupe ioctl	2016-07-28 15:23:12 -07:00
iomap.c	iomap: mark ->iomap_end as optional	2016-08-17 08:42:34 +10:00
Kconfig	Highlights:	2016-08-04 19:59:06 -04:00
Kconfig.binfmt	m68k: enable binfmt_flat on systems with an MMU	2016-07-28 13:29:13 +10:00
libfs.c
locks.c
Makefile
mbcache.c	mbcache: fix to detect failure of register_shrinker	2016-08-31 11:44:36 -04:00
mount.h
mpage.c	block/mm: make bdev_ops->rw_page() take a bool for read/write	2016-08-07 14:41:02 -06:00
namei.c	fs: return EPERM on immutable inode	2016-08-07 10:03:31 -04:00
namespace.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
no-block.c
nsfs.c
open.c	binfmt_misc for-linus on 20160727	2016-08-07 10:13:14 -04:00
pipe.c	mm: memcontrol: only mark charged pages with PageKmemcg	2016-08-09 10:14:10 -07:00
pnode.c
pnode.h
posix_acl.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
proc_namespace.c
read_write.c	x86/syscalls: Add compat_sys_preadv64v2/compat_sys_pwritev64v2	2016-07-15 10:30:26 +02:00
readdir.c
select.c
seq_file.c	fs/seq_file: fix out-of-bounds read	2016-08-26 17:39:35 -07:00
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2016-07-29 15:54:19 -07:00
sync.c
timerfd.c
userfaultfd.c	mm: introduce fault_env	2016-07-26 16:19:19 -07:00
utimes.c	fs: return EPERM on immutable inode	2016-08-07 10:03:31 -04:00
xattr.c