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authorPatrick McHardy <kaber@trash.net>2008-02-05 16:20:22 -0800
committerDavid S. Miller <davem@davemloft.net>2008-02-05 16:20:22 -0800
commit181499356e5a9f0bcbd69adc3c6df450f6e2586d (patch)
tree6df194a9c4049877f906e93cf3b7c70533732eee
parent4f25049106e0507ff21a9e1fc0645d849e19faf0 (diff)
[VLAN]: Constify skb argument to vlan_get_tag()
Required by next patch to use it from the flow classifier. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/if_vlan.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 34f40efc7607..79504b22a932 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -327,7 +327,7 @@ static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb, unsigned short t
*
* Returns error if the skb is not of VLAN type
*/
-static inline int __vlan_get_tag(struct sk_buff *skb, unsigned short *tag)
+static inline int __vlan_get_tag(const struct sk_buff *skb, unsigned short *tag)
{
struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb->data;
@@ -347,7 +347,8 @@ static inline int __vlan_get_tag(struct sk_buff *skb, unsigned short *tag)
*
* Returns error if @skb->cb[] is not set correctly
*/
-static inline int __vlan_hwaccel_get_tag(struct sk_buff *skb, unsigned short *tag)
+static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,
+ unsigned short *tag)
{
struct vlan_skb_tx_cookie *cookie;
@@ -370,7 +371,7 @@ static inline int __vlan_hwaccel_get_tag(struct sk_buff *skb, unsigned short *ta
*
* Returns error if the skb is not VLAN tagged
*/
-static inline int vlan_get_tag(struct sk_buff *skb, unsigned short *tag)
+static inline int vlan_get_tag(const struct sk_buff *skb, unsigned short *tag)
{
if (skb->dev->features & NETIF_F_HW_VLAN_TX) {
return __vlan_hwaccel_get_tag(skb, tag);