diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 43dd489ad6db..851096110b4d 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -470,12 +470,12 @@ static int x25_getsockopt(struct socket *sock, int level, int optname,
 	if (get_user(len, optlen))
 		goto out;
 
-	len = min_t(unsigned int, len, sizeof(int));
-
 	rc = -EINVAL;
 	if (len < 0)
 		goto out;
 
+	len = min_t(unsigned int, len, sizeof(int));
+
 	rc = -EFAULT;
 	if (put_user(len, optlen))
 		goto out;