diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 78b1b1a..244dc30 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -4360,7 +4360,7 @@
 
 }	/* end of mgsl_allocate_device()*/
 
-static struct tty_operations mgsl_ops = {
+static const struct tty_operations mgsl_ops = {
 	.open = mgsl_open,
 	.close = mgsl_close,
 	.write = mgsl_write,