bnx2x: Not dropping packets with L3/L4 checksum error

Not dropping packets with L3/L4 checksum error
Those packets should be passed to the OS. The problem is clear in
forwarding mode.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 9eb8a3e..b9d376d 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -1501,7 +1501,6 @@
 
 			/* is this an error packet? */
 			if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
-			/* do we sometimes forward error packets anyway? */
 				DP(NETIF_MSG_RX_ERR,
 				   "ERROR  flags %x  rx packet %u\n",
 				   cqe_fp_flags, sw_comp_cons);
@@ -1557,10 +1556,10 @@
 			skb->protocol = eth_type_trans(skb, bp->dev);
 
 			skb->ip_summed = CHECKSUM_NONE;
-			if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe))
-				skb->ip_summed = CHECKSUM_UNNECESSARY;
+			if (bp->rx_csum)
+				if (likely(BNX2X_RX_CSUM_OK(cqe)))
+					skb->ip_summed = CHECKSUM_UNNECESSARY;
 
-			/* TBD do we pass bad csum packets in promisc */
 		}
 
 #ifdef BCM_VLAN