linux-kernel - [PATCH] memory: omap-gpmc: Delete an unnecessary check before the function call "gpiochip_free_own

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Message-ID: <e3f6205c-39a0-b9f7-5290-be4c6cbb2f0b@users.sourceforge.net>
Date:	Sat, 23 Jul 2016 19:09:10 +0200
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	linux-omap@...r.kernel.org, Roger Quadros <rogerq@...com>,
	Tony Lindgren <tony@...mide.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH] memory: omap-gpmc: Delete an unnecessary check before the
 function call "gpiochip_free_own_desc"

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 23 Jul 2016 18:54:02 +0200

The gpiochip_free_own_desc() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/memory/omap-gpmc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index 869c83f..e138875 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -2143,9 +2143,7 @@ err_child_fail:
 	ret = -ENODEV;
 
 err_cs:
-	if (waitpin_desc)
-		gpiochip_free_own_desc(waitpin_desc);
-
+	gpiochip_free_own_desc(waitpin_desc);
 err:
 	gpmc_cs_free(cs);
 
-- 
2.9.2