diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 1dbdd6bb587b..c20bb998e0e5 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6979,8 +6979,10 @@ static int tg3_open(struct net_device *dev)
 	tg3_full_lock(tp, 0);
 
 	err = tg3_set_power_state(tp, PCI_D0);
-	if (err)
+	if (err) {
+		tg3_full_unlock(tp);
 		return err;
+	}
 
 	tg3_disable_ints(tp);
 	tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;