diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
index 9c755db..f0c8bd5 100644
--- a/drivers/net/cris/eth_v10.c
+++ b/drivers/net/cris/eth_v10.c
@@ -1008,7 +1008,7 @@
 }
 
 static unsigned char
-e100_receive_mdio_bit()
+e100_receive_mdio_bit(void)
 {
 	unsigned char bit;
 	*R_NETWORK_MGM_CTRL = 0;
diff --git a/net/core/dev.c b/net/core/dev.c
index 69f7a1a..9c21548 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1798,7 +1798,7 @@
  * This routine should set an upper limit on the number of RSS queues
  * used by default by multiqueue devices.
  */
-int netif_get_num_default_rss_queues()
+int netif_get_num_default_rss_queues(void)
 {
 	return min_t(int, DEFAULT_MAX_NUM_RSS_QUEUES, num_online_cpus());
 }