linux-kernel - [PATCH 07/42] sh-pfc: Remove check for impossible error condition

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Date:	Wed, 21 Nov 2012 03:27:08 +0100
From:	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
To:	linux-kernel@...r.kernel.org
Cc:	Paul Mundt <lethal@...ux-sh.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Simon Horman <horms@...ge.net.au>,
	Linus Walleij <linus.walleij@...aro.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	Phil Edworthy <phil.edworthy@...esas.com>,
	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>
Subject: [PATCH 07/42] sh-pfc: Remove check for impossible error condition

The pfc pointer can't be NULL in the get and set value functions, remove
the error check.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
---
 drivers/sh/pfc/gpio.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/sh/pfc/gpio.c b/drivers/sh/pfc/gpio.c
index f22d43a..0a85159 100644
--- a/drivers/sh/pfc/gpio.c
+++ b/drivers/sh/pfc/gpio.c
@@ -51,7 +51,7 @@ static void sh_gpio_set_value(struct sh_pfc *pfc, unsigned gpio, int value)
 	struct pinmux_data_reg *dr = NULL;
 	int bit = 0;
 
-	if (!pfc || sh_pfc_get_data_reg(pfc, gpio, &dr, &bit) != 0)
+	if (sh_pfc_get_data_reg(pfc, gpio, &dr, &bit) != 0)
 		BUG();
 	else
 		sh_pfc_write_bit(dr, bit, value);
@@ -62,7 +62,7 @@ static int sh_gpio_get_value(struct sh_pfc *pfc, unsigned gpio)
 	struct pinmux_data_reg *dr = NULL;
 	int bit = 0;
 
-	if (!pfc || sh_pfc_get_data_reg(pfc, gpio, &dr, &bit) != 0)
+	if (sh_pfc_get_data_reg(pfc, gpio, &dr, &bit) != 0)
 		return -EINVAL;
 
 	return sh_pfc_read_bit(dr, bit);
-- 
1.7.8.6

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