Author: Markus Elfring <elfring@users.sourceforge.net> The following functions test whether their argument is NULL and then return immediately. * dev_pm_arm_wake_irq * dev_pm_disarm_wake_irq * wakeup_source_unregister Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Acked-by: Pavel Machek [ rjw: Minor whitespace adjustments ] Signed-off-by: Rafael …