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Btrfs: fix extent boundary check in bio_readpage_error 

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Filipe David Borba Manana 2013-11-25 03:22:07 +00:00 committed by Chris Mason
parent 5a4267ca20
commit 68ba990f7d
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent_io.c
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@ -2156,7 +2156,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
return -EIO; return -EIO;
} }
if (em->start > start || em->start + em->len < start) { if (em->start > start || em->start + em->len <= start) {
free_extent_map(em); free_extent_map(em);
em = NULL; em = NULL;
} }