From: Greg Kroah-Hartman Date: Tue, 18 Jun 2019 15:50:45 +0000 (+0200) Subject: gpio: No need to cast away return value of debugfs_create_file() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=acc68b0e70e8c9cb4355f9cafeaf51a441f64cc2;p=openwrt%2Fstaging%2Fblogic.git gpio: No need to cast away return value of debugfs_create_file() It is fine to ignore the return value (and encouraged), so need to cast away the return value, you will not get a build warning at all. Cc: Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Linus Walleij --- diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 71cd685ed6c4..12bd0f094abc 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -4802,8 +4802,8 @@ static const struct file_operations gpiolib_operations = { static int __init gpiolib_debugfs_init(void) { /* /sys/kernel/debug/gpio */ - (void) debugfs_create_file("gpio", S_IFREG | S_IRUGO, - NULL, NULL, &gpiolib_operations); + debugfs_create_file("gpio", S_IFREG | S_IRUGO, NULL, NULL, + &gpiolib_operations); return 0; } subsys_initcall(gpiolib_debugfs_init);