diff -drupN a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
--- a/drivers/tty/serial/kgdboc.c	2018-08-06 17:23:04.000000000 +0300
+++ b/drivers/tty/serial/kgdboc.c	2022-06-12 05:28:14.000000000 +0300
@@ -245,7 +245,8 @@ static void kgdboc_put_char(u8 chr)
 					kgdb_tty_line, chr);
 }
 
-static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp)
+static int param_set_kgdboc_var(const char *kmessage,
+				const struct kernel_param *kp)
 {
 	int len = strlen(kmessage);