[patch -next] bnxt: fix a condition

[Dan Carpenter]

This code generates as static checker warning because htons(ETH_P_IPV6)
is always true.  From the context it looks like the && was intended to
be !=.

Fixes: 94758f8de037 ('bnxt_en: Add GRO logic for BCM5731X chips.')
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 70b148a..659faa6 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -997,7 +997,7 @@ static struct sk_buff *bnxt_gro_func_5731x(struct 
bnxt_tpa_info *tpa_info,
                 * correct protocol ID, it must be a loopback packet where
                 * the offsets are off by 4.
                 */
-               if (proto != htons(ETH_P_IP) && proto && htons(ETH_P_IPV6))
+               if (proto != htons(ETH_P_IP) && proto != htons(ETH_P_IPV6))
                        loopback = true;
        }
        if (loopback) {