From 181499356e5a9f0bcbd69adc3c6df450f6e2586d Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 5 Feb 2008 16:20:22 -0800 Subject: [VLAN]: Constify skb argument to vlan_get_tag() Required by next patch to use it from the flow classifier. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/if_vlan.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'include/linux/if_vlan.h') 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); -- cgit v1.2.3-59-g8ed1b