linux-kernel - [PATCH linux-next] fs:disk-io: emove unneeded variable

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Date:   Tue, 24 Aug 2021 23:27:17 -0700
From:   CGEL <cgel.zte@...il.com>
To:     Chris Mason <clm@...com>
Cc:     Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jing Yangyang <jing.yangyang@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] fs:disk-io: emove unneeded variable

From: Jing Yangyang <jing.yangyang@....com.cn>

Eliminate the following coccicheck warning:
./fs/btrfs/disk-io.c:4630: 5-8:
 Unneeded variable  "ret". Return "0" on line 4638

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@....com.cn>
---
 fs/btrfs/disk-io.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a66e2cb..e531c4c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4627,7 +4627,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
 	struct rb_node *node;
 	struct btrfs_delayed_ref_root *delayed_refs;
 	struct btrfs_delayed_ref_node *ref;
-	int ret = 0;
 
 	delayed_refs = &trans->delayed_refs;
 
@@ -4635,7 +4634,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
 	if (atomic_read(&delayed_refs->num_entries) == 0) {
 		spin_unlock(&delayed_refs->lock);
 		btrfs_debug(fs_info, "delayed_refs has NO entry");
-		return ret;
+		return 0;
 	}
 
 	while ((node = rb_first_cached(&delayed_refs->href_root)) != NULL) {
@@ -4698,7 +4697,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
 
 	spin_unlock(&delayed_refs->lock);
 
-	return ret;
+	return 0;
 }
 
 static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root)
-- 
1.8.3.1