[PATCH] fs: btrfs: extent_map: removed unneeded variable

[lijian_8010a29]

From: lijian <lijian@xxxxxxxxxx>

removed unneeded variable 'ret'.

Signed-off-by: lijian <lijian@xxxxxxxxxx>
---
 fs/btrfs/extent_map.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 4a8e02f7b6c7..70d3e76e30c5 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -296,7 +296,6 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
 int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len,
 		       u64 gen)
 {
-	int ret = 0;
 	struct extent_map *em;
 	bool prealloc = false;
 
@@ -328,8 +327,7 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len,
 	free_extent_map(em);
 out:
 	write_unlock(&tree->lock);
-	return ret;
-
+	return 0;
 }
 
 void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em)
-- 
2.17.1