1 files changed, 2 insertions, 0 deletions
diff --git a/ethtool.c b/ethtool.c
index 8969390..d4bf5a8 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -220,6 +220,8 @@ static struct option {
 };
 
 
+static void show_usage(int badarg) __attribute__((noreturn));
+
 static void show_usage(int badarg)
 {
 	int i;