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Fix leak in __btrfs_map_block error path

PATCH Dave Jones 1 participant 1 message Jul 30, 2013 Btrfs file system

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Dave Jones

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If we bail out when the stripe alloc fails, we need to undo the earlier allocation of raid_map.

Signed-off-by Dave Jones <[email protected]>
fs/btrfs/volumes.c +1 -0
index 78b8717..6a0f52f 100644
@@ -4671,6 +4671,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
 	}
 	bbio = kzalloc(btrfs_bio_size(num_alloc_stripes), GFP_NOFS);
 	if (!bbio) {
+		kfree(raid_map);
 		ret = -ENOMEM;
 		goto out;
 	}