From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Thu, 13 Sep 2012 19:48:14 +0000 (+0200)
Subject: pinctrl: use kasprintf() in pinmux_request_gpio()
X-Git-Tag: next-20120918~17^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=23a895aee6081c144ffcc61eaf52dc62e10b3bd1;p=karo-tx-linux.git

pinctrl: use kasprintf() in pinmux_request_gpio()

Instead of using a temporary buffer, snprintf() and kstrdup(), just
use kasprintf() that does the same thing in just oneline.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Colin Cross <ccross@google.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 3d5ac73bd5a7..9301a7a95eff 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -232,14 +232,11 @@ int pinmux_request_gpio(struct pinctrl_dev *pctldev,
 			struct pinctrl_gpio_range *range,
 			unsigned pin, unsigned gpio)
 {
-	char gpiostr[16];
 	const char *owner;
 	int ret;
 
 	/* Conjure some name stating what chip and pin this is taken by */
-	snprintf(gpiostr, 15, "%s:%d", range->name, gpio);
-
-	owner = kstrdup(gpiostr, GFP_KERNEL);
+	owner = kasprintf(GFP_KERNEL, "%s:%d", range->name, gpio);
 	if (!owner)
 		return -EINVAL;