1 files changed, 2 insertions, 2 deletions

diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index c43e8bb325..f2e8fc42ec 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -27,7 +27,7 @@ struct port_chan {
         char dev[sizeof("32768\0")];
 };
 
-static void *port_init(char *str, int device, struct chan_opts *opts)
+static void *port_init(char *str, int device, const struct chan_opts *opts)
 {
         struct port_chan *data;
         void *kern_data;
@@ -100,7 +100,7 @@ static void port_close(int fd, void *d)
         os_close_file(fd);
 }
 
-struct chan_ops port_ops = {
+const struct chan_ops port_ops = {
         .type           = "port",
         .init           = port_init,
         .open           = port_open,