diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 5f03efdb63a8807994066607bd0d62d2f6430bb5..9d9ff76a9bc664a85191610034ad2640750cca4c 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3520,7 +3520,7 @@ static int b43_start(struct ieee80211_hw *hw)
 	return err;
 }
 
-void b43_stop(struct ieee80211_hw *hw)
+static void b43_stop(struct ieee80211_hw *hw)
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 	struct b43_wldev *dev = wl->current_dev;