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gpio: No need to cast away return value of debugfs_create_file()

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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 <bgolaszewski@baylibre.com>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Greg Kroah-Hartman 2019-06-18 17:50:45 +02:00 committed by Linus Walleij
parent db16bad6ef
commit acc68b0e70
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpiolib.c
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@ -4802,8 +4802,8 @@ static const struct file_operations gpiolib_operations = {
static int __init gpiolib_debugfs_init(void) static int __init gpiolib_debugfs_init(void)
{ {
/* /sys/kernel/debug/gpio */ /* /sys/kernel/debug/gpio */
(void) debugfs_create_file("gpio", S_IFREG | S_IRUGO, debugfs_create_file("gpio", S_IFREG | S_IRUGO, NULL, NULL,
NULL, NULL, &gpiolib_operations); &gpiolib_operations);
return 0; return 0;
} }
subsys_initcall(gpiolib_debugfs_init); subsys_initcall(gpiolib_debugfs_init);