diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 692363dd591f0c447d26b36318889f43bbe20ac3..dfef5b9f38454212842823921ad6d334832981e2 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -214,6 +214,8 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc)
 
 	/* create /proc/irq/1234 */
 	desc->dir = proc_mkdir(name, root_irq_dir);
+	if (!desc->dir)
+		return;
 
 #ifdef CONFIG_SMP
 	/* create /proc/irq/<irq>/smp_affinity */