[BNX2]: check return of dev_alloc_skb in bnx2_test_loopback

Check return of dev_alloc_skb in bnx2_test_loopback, and handle
appropriately.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 65aae28..32267d5 100644 (file)
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -3903,6 +3903,8 @@ bnx2_test_loopback(struct bnx2 *bp)
 
        pkt_size = 1514;
        skb = dev_alloc_skb(pkt_size);
+       if (!skb)
+               return -ENOMEM;
        packet = skb_put(skb, pkt_size);
        memcpy(packet, bp->mac_addr, 6);
        memset(packet + 6, 0x0, 8);