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authorJosef Bacik <jbacik@fusionio.com>2012-10-05 16:53:34 -0400
committerChris Mason <chris.mason@fusionio.com>2012-10-09 09:20:56 -0400
commitf60b1b49f6f72abb8bedfd49b758773bbda043c8 (patch)
tree34e972598969d614eca15082588e8b9ee38d8471 /fs/btrfs
parent4804b38293c020e7a2c841e86402f456c19d934d (diff)
Btrfs: fix page leakage
Alloc_dummy_extent_buffer will not free the first page in the eb array if we fail to allocate a page, fix this. Thanks, Reported-by: David Sterba <dave@jikos.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/extent_io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 7dc69b38548d..64dc93f64bc0 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4104,7 +4104,7 @@ struct extent_buffer *alloc_dummy_extent_buffer(u64 start, unsigned long len)
return eb;
err:
- for (i--; i > 0; i--)
+ for (i--; i >= 0; i--)
__free_page(eb->pages[i]);
__free_extent_buffer(eb);
return NULL;