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

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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>
This commit is contained in:
Guillaume Nault 2017-04-12 10:05:30 +02:00 committed by David S. Miller
parent 9aaef50c44
commit 2f858b928b
2 changed files with 4 additions and 4 deletions
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4
net/l2tp/l2tp_core.c
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@ -379,7 +379,7 @@ static int l2tp_session_add_to_tunnel(struct l2tp_tunnel *tunnel,
/* Lookup a tunnel by id /* 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_tunnel *tunnel;
struct l2tp_net *pn = l2tp_pernet(net); 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); 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_net *pn = l2tp_pernet(net);
struct l2tp_tunnel *tunnel; struct l2tp_tunnel *tunnel;

4
net/l2tp/l2tp_core.h
View File

@ -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, struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net,
const char *ifname, const char *ifname,
bool do_ref); bool do_ref);
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 *l2tp_tunnel_find_nth(struct net *net, int nth); 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, int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id,
u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg, u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg,