bnx2x: Do not allow enabling LRO if disable_tpa=1

Bug fix: Do not allow enabling LRO if disable_tpa=1.

Signed-off-by: Vladislav Zolotarov <[e-mail]>
Signed-off-by: Eilon Greenstein <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/bnx2x_main.c

···
 
 	/* TPA requires Rx CSUM offloading */
 	if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
-		if (!(dev->features & NETIF_F_LRO)) {
-			dev->features |= NETIF_F_LRO;
-			bp->flags |= TPA_ENABLE_FLAG;
-			changed = 1;
-		}
-
+		if (!disable_tpa) {
+			if (!(dev->features & NETIF_F_LRO)) {
+				dev->features |= NETIF_F_LRO;
+				bp->flags |= TPA_ENABLE_FLAG;
+				changed = 1;
+			}
+		} else
+			rc = -EINVAL;
 	} else if (dev->features & NETIF_F_LRO) {
 		dev->features &= ~NETIF_F_LRO;
 		bp->flags &= ~TPA_ENABLE_FLAG;