linux-kernel - [PATCH] fs:btrfs: remove unneeded variable

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Date:   Fri, 12 Nov 2021 02:49:50 +0000
From:   cgel.zte@...il.com
To:     clm@...com
Cc:     josef@...icpanda.com, dsterba@...e.com,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        chiminghao <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cm>
Subject: [PATCH] fs:btrfs: remove unneeded variable

From: chiminghao <chi.minghao@....com.cn>

Fix the following coccicheck REVIEW:
./fs/btrfs/extent_map.c:299:5-8 REVIEW Unneeded variable

Reported-by: Zeal Robot <zealci@....com.cm>
Signed-off-by: chiminghao <chi.minghao@....com.cn>
---
 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..1dcb5486ccb6 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;
 
@@ -328,7 +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;
 
 }
 
-- 
2.25.1