linux-kernel - [PATCH] raid5-ppl: use swap() to make code cleaner

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Message-Id: <20211028010053.7609-1-yang.guang5@zte.com.cn>
Date:   Thu, 28 Oct 2021 01:00:53 +0000
From:   Yang Guang <cgel.zte@...il.com>
To:     Song Liu <song@...nel.org>
Cc:     Yang Guang <yang.guang5@....com.cn>,
        Zeal Robot <zealci@....com.cn>, linux-raid@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] raid5-ppl: use swap() to make code cleaner

Using swap() make it more readable.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Yang Guang <yang.guang5@....com.cn>
---
 drivers/md/raid5-ppl.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 3ddc2aa0b530..4ab417915d7f 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -1081,7 +1081,7 @@ static int ppl_load_distributed(struct ppl_log *log)
 	struct ppl_conf *ppl_conf = log->ppl_conf;
 	struct md_rdev *rdev = log->rdev;
 	struct mddev *mddev = rdev->mddev;
-	struct page *page, *page2, *tmp;
+	struct page *page, *page2;
 	struct ppl_header *pplhdr = NULL, *prev_pplhdr = NULL;
 	u32 crc, crc_stored;
 	u32 signature;
@@ -1156,9 +1156,7 @@ static int ppl_load_distributed(struct ppl_log *log)
 		prev_pplhdr_offset = pplhdr_offset;
 		prev_pplhdr = pplhdr;
 
-		tmp = page;
-		page = page2;
-		page2 = tmp;
+		swap(page, page2);
 
 		/* calculate next potential ppl offset */
 		for (i = 0; i < le32_to_cpu(pplhdr->entries_count); i++)
-- 
2.30.2