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From: jing yangyang <cgel.zte@gmail.com>
To: Chris Mason <clm@fb.com>
Cc: Josef Bacik <josef@toxicpanda.com>,
	David Sterba <dsterba@suse.com>,
	linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
	jing yangyang <jing.yangyang@zte.com.cn>,
	Zeal Robot <zealci@zte.com.cn>
Subject: [PATCH linux-next] fs: btrfs: fix returnvar.cocci warnings
Date: Thu, 19 Aug 2021 19:32:29 -0700	[thread overview]
Message-ID: <20210820023229.11369-1-jing.yangyang@zte.com.cn> (raw)

Remove unneeded variables when "0" can be returned.

Generated by: scripts/coccinelle/misc/returnvar.cocci

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: jing yangyang <jing.yangyang@zte.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 4a8e02f..58860d7 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;
 
 }
 
-- 
1.8.3.1



             reply	other threads:[~2021-08-20  2:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20  2:32 jing yangyang [this message]
2021-08-20  3:16 ` Qu Wenruo
2021-08-20 10:40 ` David Sterba

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