diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-20 18:48:25 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-20 18:48:25 -1000 |
| commit | ca6215dfc7d09809b97f2d6af0535d7836cbb966 (patch) | |
| tree | 759804213ad64fbf81fbc3194557977b54d503e0 /fs/ext3/balloc.c | |
| parent | 3587b1b097d70c2eb9fee95ea7995d13c05f66e5 (diff) | |
| parent | ae49eeec785025373e28dc24c8351c6bba688d99 (diff) | |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull reiserfs and ext3 fixes from Jan Kara:
"Fixes of reiserfs deadlocks when quotas are enabled (locking there was
completely busted by BKL conversion) and also one small ext3 fix in
the trim interface."
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext3: Avoid underflow of in ext3_trim_fs()
reiserfs: Move quota calls out of write lock
reiserfs: Protect reiserfs_quota_write() with write lock
reiserfs: Protect reiserfs_quota_on() with write lock
reiserfs: Fix lock ordering during remount
Diffstat (limited to 'fs/ext3/balloc.c')
| -rw-r--r-- | fs/ext3/balloc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c index 7320a66e958f..22548f56197b 100644 --- a/fs/ext3/balloc.c +++ b/fs/ext3/balloc.c @@ -2101,8 +2101,9 @@ int ext3_trim_fs(struct super_block *sb, struct fstrim_range *range) end = start + (range->len >> sb->s_blocksize_bits) - 1; minlen = range->minlen >> sb->s_blocksize_bits; - if (unlikely(minlen > EXT3_BLOCKS_PER_GROUP(sb)) || - unlikely(start >= max_blks)) + if (minlen > EXT3_BLOCKS_PER_GROUP(sb) || + start >= max_blks || + range->len < sb->s_blocksize) return -EINVAL; if (end >= max_blks) end = max_blks - 1; |