diff mbox series

[net-next,1/2] net/dst: Make skb parameter of skb{metadata_dst,tunnel_info}() const

Message ID 1506933676-20121-2-git-send-email-simon.horman@netronome.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series flow_dissector: dissect tunnel info | expand

Commit Message

Simon Horman Oct. 2, 2017, 8:41 a.m. UTC 
Make the skb parameter of skb_metadata_dst() and skb_tunnel_info()
const as they are not modified. This is in preparation for using
them in call-sites where skb is const.

Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
---
 include/net/dst_metadata.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index a803129a4849..9fba2ebf6dda 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -24,7 +24,7 @@  struct metadata_dst {
 	} u;
 };
 
-static inline struct metadata_dst *skb_metadata_dst(struct sk_buff *skb)
+static inline struct metadata_dst *skb_metadata_dst(const struct sk_buff *skb)
 {
 	struct metadata_dst *md_dst = (struct metadata_dst *) skb_dst(skb);
 
@@ -34,7 +34,8 @@  static inline struct metadata_dst *skb_metadata_dst(struct sk_buff *skb)
 	return NULL;
 }
 
-static inline struct ip_tunnel_info *skb_tunnel_info(struct sk_buff *skb)
+static inline struct ip_tunnel_info *
+skb_tunnel_info(const struct sk_buff *skb)
 {
 	struct metadata_dst *md_dst = skb_metadata_dst(skb);
 	struct dst_entry *dst;