linux-kernel - [PATCH 1/3] mtdswap: Reduce function calls for sequence output in mtdswap

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Date:   Mon, 8 May 2017 17:08:04 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-mtd@...ts.infradead.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Brian Norris <computersforpeace@...il.com>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        David Woodhouse <dwmw2@...radead.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/3] mtdswap: Reduce function calls for sequence output in
 mtdswap_show()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Mon, 8 May 2017 16:02:34 +0200

Two line breaks were put into a sequence by separate function calls.
Print the same data together with adjusted seq_printf() calls instead.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/mtd/mtdswap.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
index f12879a3d4ff..0805f45c5139 100644
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -1283,19 +1283,14 @@ static int mtdswap_show(struct seq_file *s, void *data)
 			"erased %u times\n",
 			cwp, d->pages_per_eblk - cwp, cwecount);
 
-	seq_printf(s, "total erasures: %lu\n", sum);
-
-	seq_puts(s, "\n");
-
+	seq_printf(s, "total erasures: %lu\n\n", sum);
 	seq_printf(s, "mtdswap_readsect count: %llu\n", d->sect_read_count);
 	seq_printf(s, "mtdswap_writesect count: %llu\n", d->sect_write_count);
 	seq_printf(s, "mtdswap_discard count: %llu\n", d->discard_count);
 	seq_printf(s, "mtd read count: %llu\n", d->mtd_read_count);
 	seq_printf(s, "mtd write count: %llu\n", d->mtd_write_count);
 	seq_printf(s, "discarded pages count: %llu\n", d->discard_page_count);
-
-	seq_puts(s, "\n");
-	seq_printf(s, "total pages: %u\n", pages);
+	seq_printf(s, "\ntotal pages: %u\n", pages);
 	seq_printf(s, "pages mapped: %u\n", mapped);
 
 	return 0;
-- 
2.12.2