pinctrl: use kasprintf() in pinmux_request_gpio()
authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Thu, 13 Sep 2012 19:48:14 +0000 (21:48 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Fri, 14 Sep 2012 13:53:13 +0000 (15:53 +0200)
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>
drivers/pinctrl/pinmux.c

index 3d5ac73bd5a7f978534a315b028e904433c0279b..9301a7a95effae0a3f447dcc5aefb8030a9e9a62 100644 (file)
@@ -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;