platform/x86: dell-laptop: no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: "Pali Rohár" <pali.rohar@gmail.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index a561f653cf134ceae3ca4c4fc02236fd16d5b01e..94a2f259031caf2387b0bc1f06a5220796eca39f 100644 (file)
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -2176,9 +2176,8 @@ static int __init dell_init(void)
        kbd_led_init(&platform_device->dev);
 
        dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
-       if (dell_laptop_dir != NULL)
-               debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
-                                   &dell_debugfs_fops);
+       debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
+                           &dell_debugfs_fops);
 
        dell_laptop_register_notifier(&dell_laptop_notifier);