[PATCH v2 2/2] net: skbuff: Coding: Use eth_type_vlan() instead of open coding it

[Shmulik Ladkani]

Fix 'skb_vlan_pop' to use eth_type_vlan instead of directly comparing
skb->protocol to ETH_P_8021Q or ETH_P_8021AD.

Signed-off-by: Shmulik Ladkani <shmulik.ladk...@gmail.com>
---
 net/core/skbuff.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4dbaedb745..1369faa182 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4535,8 +4535,7 @@ int skb_vlan_pop(struct sk_buff *skb)
        if (likely(skb_vlan_tag_present(skb))) {
                skb->vlan_tci = 0;
        } else {
-               if (unlikely(skb->protocol != htons(ETH_P_8021Q) &&
-                            skb->protocol != htons(ETH_P_8021AD)))
+               if (unlikely(!eth_type_vlan(skb->protocol)))
                        return 0;
 
                err = __skb_vlan_pop(skb, &vlan_tci);
@@ -4544,8 +4543,7 @@ int skb_vlan_pop(struct sk_buff *skb)
                        return err;
        }
        /* move next vlan tag to hw accel tag */
-       if (likely(skb->protocol != htons(ETH_P_8021Q) &&
-                  skb->protocol != htons(ETH_P_8021AD)))
+       if (likely(!eth_type_vlan(skb->protocol)))
                return 0;
 
        vlan_proto = skb->protocol;
-- 
2.7.4