1 files changed, 2 insertions, 2 deletions

diff --git a/arch/um/drivers/null.c b/arch/um/drivers/null.c
index 14cc5f78398a..3683ed44315d 100644
--- a/arch/um/drivers/null.c
+++ b/arch/um/drivers/null.c
@@ -10,7 +10,7 @@
 
 static int null_chan;
 
-static void *null_init(char *str, int device, struct chan_opts *opts)
+static void *null_init(char *str, int device, const struct chan_opts *opts)
 {
         return(&null_chan);
 }
@@ -31,7 +31,7 @@ static void null_free(void *data)
 {
 }
 
-struct chan_ops null_ops = {
+const struct chan_ops null_ops = {
         .type           = "null",
         .init           = null_init,
         .open           = null_open,