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| author |   Jens Axboe <axboe@fb.com> | 2014-11-18 19:43:46 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-11-18 19:43:46 -0700 |
| commit | b3521729769ec71567a2e32a38609f87e781e41b (patch) | |
| tree | 66a8494968706420c3eb043caa5868702d440d18 /fs/ext4/ialloc.c | |
| parent | NVMe: enable IO stats by default (diff) | |
| parent | Linux 3.18-rc5 (diff) | |
| download | linux-dev-b3521729769ec71567a2e32a38609f87e781e41b.tar.xz linux-dev-b3521729769ec71567a2e32a38609f87e781e41b.zip | |
Merge branch 'master' into for-3.19/drivers
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 8012a5daf401..ac644c31ca67 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -887,6 +887,10 @@ got: struct buffer_head *block_bitmap_bh; block_bitmap_bh = ext4_read_block_bitmap(sb, group); + if (!block_bitmap_bh) { + err = -EIO; + goto out; + } BUFFER_TRACE(block_bitmap_bh, "get block bitmap access"); err = ext4_journal_get_write_access(handle, block_bitmap_bh); if (err) { |