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| author | Tsutomu Itoh <t-itoh@jp.fujitsu.com> | 2012-04-12 22:03:56 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2012-04-12 22:03:56 +0200 |
| commit | e627ee7bcd42b4e3a03ca01a8e46dcb4033c5ae0 (patch) | |
| tree | a6f8060dd57184e79b5c46404c941f999137030d /fs/btrfs/compression.c | |
| parent | Btrfs: remove lock assert from get_restripe_target() (diff) | |
| download | linux-e627ee7bcd42b4e3a03ca01a8e46dcb4033c5ae0.tar.xz linux-e627ee7bcd42b4e3a03ca01a8e46dcb4033c5ae0.zip | |
Btrfs: check return value of bio_alloc() properly
bio_alloc() has the possibility of returning NULL.
So, it is necessary to check the return value.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index d11afa67c7d8..646f5e6f2566 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -405,6 +405,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, bio_put(bio); bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS); + BUG_ON(!bio); bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; bio_add_page(bio, page, PAGE_CACHE_SIZE, 0); @@ -687,6 +688,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS); + BUG_ON(!comp_bio); comp_bio->bi_private = cb; comp_bio->bi_end_io = end_compressed_bio_read; |