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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-14 04:41:27 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-14 04:41:27 +0200 |
| commit | 659e45d8a0aca8619f0d308448c480279fa002b6 (patch) | |
| tree | 4475e6a64568e81d9418265eb4932f017e7a61a9 /fs/btrfs/scrub.c | |
| parent | Merge branch 'for-3.4/drivers' of git://git.kernel.dk/linux-block (diff) | |
| parent | Btrfs: use commit root when loading free space cache (diff) | |
| download | linux-659e45d8a0aca8619f0d308448c480279fa002b6.tar.xz linux-659e45d8a0aca8619f0d308448c480279fa002b6.zip | |
Merge branch 'for-linus-min' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull the minimal btrfs branch from Chris Mason:
"We have a use-after-free in there, along with errors when mount -o
discard is enabled, and a BUG_ON(we should compile with UP more
often)."
* 'for-linus-min' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: use commit root when loading free space cache
Btrfs: fix use-after-free in __btrfs_end_transaction
Btrfs: check return value of bio_alloc() properly
Btrfs: remove lock assert from get_restripe_target()
Btrfs: fix eof while discarding extents
Btrfs: fix uninit variable in repair_eb_io_failure
Revert "Btrfs: increase the global block reserve estimates"
Diffstat (limited to 'fs/btrfs/scrub.c')
| -rw-r--r-- | fs/btrfs/scrub.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 90acc82046c3..bc015f77f3ea 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1044,6 +1044,8 @@ static int scrub_recheck_block(struct btrfs_fs_info *fs_info, BUG_ON(!page->page); bio = bio_alloc(GFP_NOFS, 1); + if (!bio) + return -EIO; bio->bi_bdev = page->bdev; bio->bi_sector = page->physical >> 9; bio->bi_end_io = scrub_complete_bio_end_io; @@ -1171,6 +1173,8 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, DECLARE_COMPLETION_ONSTACK(complete); bio = bio_alloc(GFP_NOFS, 1); + if (!bio) + return -EIO; bio->bi_bdev = page_bad->bdev; bio->bi_sector = page_bad->physical >> 9; bio->bi_end_io = scrub_complete_bio_end_io; |