X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=kernel%2Firq%2Fmanage.c;h=ef0bc02c3a703dac4c3b980fb3ed3fb40ca5fe8d;hb=f61a657fdf221403d99e6f0d4c6d24762920d4a9;hp=cc1cc641d653216614ea9bab5dbe8e0bd7238788;hpb=f179f3f8a9bc86c43a1016c6d0ef87b7bb5ced86;p=cascardo%2Flinux.git

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index cc1cc641d653..ef0bc02c3a70 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1407,7 +1407,7 @@ int setup_irq(unsigned int irq, struct irqaction *act)
 	int retval;
 	struct irq_desc *desc = irq_to_desc(irq);
 
-	if (WARN_ON(irq_settings_is_per_cpu_devid(desc)))
+	if (!desc || WARN_ON(irq_settings_is_per_cpu_devid(desc)))
 		return -EINVAL;
 	chip_bus_lock(desc);
 	retval = __setup_irq(irq, desc, act);