pinctrl: lantiq: Use kasprintf() instead of fixed buffer formatting

Improve readability and maintainability by replacing a hardcoded string
allocation and formatting by the use of the kasprintf() helper.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190731132917.17607-3-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-falcon.c b/drivers/pinctrl/pinctrl-falcon.c
index ef133a82e612544a9fbbf7e376085ee5d33db3f2..4a3b8d2677fd498feaa25011a25b663ab1fefb17 100644 (file)
--- a/drivers/pinctrl/pinctrl-falcon.c
+++ b/drivers/pinctrl/pinctrl-falcon.c
@@ -96,12 +96,8 @@ static void lantiq_load_pin_desc(struct pinctrl_pin_desc *d, int bank, int len)
        int i;
 
        for (i = 0; i < len; i++) {
-               /* strlen("ioXYZ") + 1 = 6 */
-               char *name = kzalloc(6, GFP_KERNEL);
-
-               snprintf(name, 6, "io%d", base + i);
                d[i].number = base + i;
-               d[i].name = name;
+               d[i].name = kasprintf(GFP_KERNEL, "io%d", base + i);
        }
        pad_count[bank] = len;
 }