diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index beeb612be98f2b2e9664b5a688ee40f8cb53a670..2bd9592b75cdde117ff50f1df7c2137bd467c808 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8454,6 +8454,9 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 
 	tx_len = 1514;
 	skb = dev_alloc_skb(tx_len);
+	if (!skb)
+		return -ENOMEM;
+
 	tx_data = skb_put(skb, tx_len);
 	memcpy(tx_data, tp->dev->dev_addr, 6);
 	memset(tx_data + 6, 0x0, 8);