diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c
index ca4a57c30bf89ed8d565d228aca9953153a3adf4..bd75d06ad7dfc98c982a3c7f033508a8e398d3ae 100644
--- a/drivers/net/arcnet/com90xx.c
+++ b/drivers/net/arcnet/com90xx.c
@@ -693,10 +693,13 @@ static int __init com90xx_setup(char *s)
 	switch (ints[0]) {
 	default:		/* ERROR */
 		pr_err("Too many arguments\n");
+		/* Fall through */
 	case 3:		/* Mem address */
 		shmem = ints[3];
+		/* Fall through */
 	case 2:		/* IRQ */
 		irq = ints[2];
+		/* Fall through */
 	case 1:		/* IO address */
 		io = ints[1];
 	}