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authorGrant Likely <grant.likely@secretlab.ca>2012-02-27 14:04:40 -0700
committerGrant Likely <grant.likely@secretlab.ca>2012-02-27 14:04:40 -0700
commit29f141fed01a09050207c4d41fc5811520d81146 (patch)
treec55a51dca4a0e4da9fdc2b904eefbde37d2a5b03 /fs/btrfs/compression.c
parent2261cc627f5453004042b4f694612edae27e492e (diff)
parent14cd3c15cfc8118586262a79bfa3b3123f13e2c2 (diff)
Merge branch 'fixes-for-grant' of git://sources.calxeda.com/kernel/linux into devicetree/merge
Diffstat (limited to 'fs/btrfs/compression.c')
-rw-r--r--fs/btrfs/compression.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 14f1c5a0b2d..d02c27cd14c 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -588,6 +588,8 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
page_offset(bio->bi_io_vec->bv_page),
PAGE_CACHE_SIZE);
read_unlock(&em_tree->lock);
+ if (!em)
+ return -EIO;
compressed_len = em->block_len;
cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS);