Btrfs: fix extent_buffer leak in the metadata IO error handling

The scrub readahead branch brought in a new error handling hook, but it was leaking extent_buffer references. Signed-off-by: Chris Mason <chris.mason@oracle.com>
git-mirror · Nov 6, 2011 · c674e04 · c674e04
1 parent 740c3d2
commit c674e04
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
@@ -644,6 +644,7 @@ static int btree_io_failed_hook(struct bio *failed_bio,
 		clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags);
 		btree_readahead_hook(root, eb, eb->start, -EIO);
 	}
+	free_extent_buffer(eb);
 
 out:
 	return -EIO;	/* we fixed nothing */