[PATCH] btrfs: remove unneeded variable ret
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From: Jason Wang <hidden>
Date: 2021-11-14 06:15:50
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lkml
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
The variable `ret' used for returning status in function `unpin_extent_cache' is never changed. we can return 0 and remove the `ret' variable. Signed-off-by: Jason Wang <redacted> --- fs/btrfs/extent_map.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 5a36add21305..ac432bed6052 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 +327,8 @@ 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)
--
2.33.0