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Btrfs: fix memory leak of chunks' extent map

Message ID 1380421843-4563-1-git-send-email-bo.li.liu@oracle.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Liu Bo Sept. 29, 2013, 2:30 a.m. UTC 
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
 fs/btrfs/volumes.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0431147..ee1fdac 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4483,6 +4483,7 @@  int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len)
 		btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got "
 			    "%Lu-%Lu\n", logical, logical+len, em->start,
 			    em->start + em->len);
+		free_extent_map(em);
 		return 1;
 	}
 
@@ -4663,6 +4664,7 @@  static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
 		btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, "
 			   "found %Lu-%Lu\n", logical, em->start,
 			   em->start + em->len);
+		free_extent_map(em);
 		return -EINVAL;
 	}