1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c
index 822092f149be..8c4378a76d63 100644
--- a/arch/um/drivers/mcast_kern.c
+++ b/arch/um/drivers/mcast_kern.c
@@ -58,7 +58,7 @@ static const struct net_kern_info mcast_kern_info = {
         .write                  = mcast_write,
 };
 
-int mcast_setup(char *str, char **mac_out, void *data)
+static int mcast_setup(char *str, char **mac_out, void *data)
 {
         struct mcast_init *init = data;
         char *port_str = NULL, *ttl_str = NULL, *remain;