l2tp: define parameters of l2tp_tunnel_find*() as "const"

l2tp_tunnel_find() and l2tp_tunnel_find_nth() don't modify "net". Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Apr 12, 2017 · 2f858b9 · 2f858b9
1 parent 9aaef50
commit 2f858b9
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
@@ -379,7 +379,7 @@ static int l2tp_session_add_to_tunnel(struct l2tp_tunnel *tunnel,
 
 /* Lookup a tunnel by id
  */
-struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id)
+struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id)
 {
 	struct l2tp_tunnel *tunnel;
 	struct l2tp_net *pn = l2tp_pernet(net);
@@ -397,7 +397,7 @@ struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id)
 }
 EXPORT_SYMBOL_GPL(l2tp_tunnel_find);
 
-struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth)
+struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth)
 {
 	struct l2tp_net *pn = l2tp_pernet(net);
 	struct l2tp_tunnel *tunnel;

diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
@@ -238,8 +238,8 @@ struct l2tp_session *l2tp_session_get_nth(struct l2tp_tunnel *tunnel, int nth,
 struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net,
 						const char *ifname,
 						bool do_ref);
-struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id);
-struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth);
+struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id);
+struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth);
 
 int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id,
 		       u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg,