2 files changed, 4 insertions, 2 deletions

diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index f3ad0dac7cdc..2cc2d3ea2e6d 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -24,11 +24,12 @@
 
 #define MAX_PACKET ETH_MAX_PACKET
 
-void etap_user_init(void *data, void *dev)
+static int etap_user_init(void *data, void *dev)
 {
         struct ethertap_data *pri = data;
 
         pri->dev = dev;
+        return 0;
 }
 
 struct addr_change {
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c
index ab63fb6f9992..506ef09d83a0 100644
--- a/arch/um/os-Linux/drivers/tuntap_user.c
+++ b/arch/um/os-Linux/drivers/tuntap_user.c
@@ -24,11 +24,12 @@
 
 #define MAX_PACKET ETH_MAX_PACKET
 
-void tuntap_user_init(void *data, void *dev)
+static int tuntap_user_init(void *data, void *dev)
 {
         struct tuntap_data *pri = data;
 
         pri->dev = dev;
+        return 0;
 }
 
 static void tuntap_add_addr(unsigned char *addr, unsigned char *netmask,