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authorThomas Gleixner <tglx@linutronix.de>2012-03-13 16:34:48 +0100
committerThomas Gleixner <tglx@linutronix.de>2012-03-13 16:35:16 +0100
commitdf8d291f28aa1e8437c8f7816328a6516379c71b (patch)
tree26ae585aa259584ddd0d9088933547c065c37086 /fs/btrfs/compression.c
parent5234ffb9f74cfa8993d174782bc861dd9b7b5bfb (diff)
parentfde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff)
Merge branch 'linus' into irq/core
Reason: Get upstream fixes integrated before further modifications. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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);