linux-kernel - [PATCH] xfs: use swap() to make code cleaner

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Message-Id: <20211028112830.16381-1-deng.changcheng@zte.com.cn>
Date:   Thu, 28 Oct 2021 11:28:30 +0000
From:   cgel.zte@...il.com
To:     djwong@...nel.org
Cc:     linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Changcheng Deng <deng.changcheng@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] xfs: use swap() to make code cleaner

From: Changcheng Deng <deng.changcheng@....com.cn>

Use swap() in order to make code cleaner. Issue found by coccinelle.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@....com.cn>
---
 fs/xfs/xfs_inode.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index a4f6f034fb81..518c82bfc80d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -564,8 +564,6 @@ xfs_lock_two_inodes(
 	struct xfs_inode	*ip1,
 	uint			ip1_mode)
 {
-	struct xfs_inode	*temp;
-	uint			mode_temp;
 	int			attempts = 0;
 	struct xfs_log_item	*lp;
 
@@ -578,12 +576,8 @@ xfs_lock_two_inodes(
 	ASSERT(ip0->i_ino != ip1->i_ino);
 
 	if (ip0->i_ino > ip1->i_ino) {
-		temp = ip0;
-		ip0 = ip1;
-		ip1 = temp;
-		mode_temp = ip0_mode;
-		ip0_mode = ip1_mode;
-		ip1_mode = mode_temp;
+		swap(ip0, ip1);
+		swap(ip0_mode, ip1_mode);
 	}
 
  again:
-- 
2.25.1