linux-kernel - [PATCH] pinctrl: imx: Fix the logic checking if not able to find pin reg map

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Date:	Tue, 13 Nov 2012 09:00:07 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Shawn Guo <shawn.guo@...aro.org>,
	Dong Aisheng <dong.aisheng@...aro.org>,
	Devendra Naga <devendra.aaru@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] pinctrl: imx: Fix the logic checking if not able to find
 pin reg map

Current code sets "pin_reg = &info->pin_regs[i];" in each loop iteration,
so in the case of no-match, pin_reg is not NULL.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/pinctrl/pinctrl-imx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-imx.c b/drivers/pinctrl/pinctrl-imx.c
index f3d2384..525a2c8 100644
--- a/drivers/pinctrl/pinctrl-imx.c
+++ b/drivers/pinctrl/pinctrl-imx.c
@@ -71,7 +71,7 @@ static const struct imx_pin_reg *imx_find_pin_reg(
 			break;
 	}
 
-	if (!pin_reg) {
+	if (i == info->npin_regs) {
 		dev_err(info->dev, "Pin(%s): unable to find pin reg map\n",
 			info->pins[pin].name);
 		return NULL;
-- 
1.7.9.5



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