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lwtunnel: change prototype of lwtunnel_state_get()

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It saves some lines and simplify a bit the code when the state is returning
by this function. It's also useful to handle a NULL entry.

To avoid too long lines, I've also renamed lwtunnel_state_get() and
lwtunnel_state_put() to lwtstate_get() and lwtstate_put().

CC: Thomas Graf <tgraf@suug.ch>
CC: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel
2015-07-24 12:28:36 +02:00
committed by David S. Miller
parent d943659508
commit 5a6228a0b4
5 changed files with 20 additions and 24 deletions
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16
include/net/lwtunnel.h
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@@ -35,12 +35,16 @@ extern const struct lwtunnel_encap_ops __rcu *
lwtun_encaps[LWTUNNEL_ENCAP_MAX+1];
#ifdef CONFIG_LWTUNNEL
static inline void lwtunnel_state_get(struct lwtunnel_state *lws)
static inline struct lwtunnel_state *
lwtstate_get(struct lwtunnel_state *lws)
{
atomic_inc(&lws->refcnt);
if (lws)
atomic_inc(&lws->refcnt);
return lws;
}
static inline void lwtunnel_state_put(struct lwtunnel_state *lws)
static inline void lwtstate_put(struct lwtunnel_state *lws)
{
if (!lws)
return;
@@ -74,11 +78,13 @@ int lwtunnel_output6(struct sock *sk, struct sk_buff *skb);
#else
static inline void lwtunnel_state_get(struct lwtunnel_state *lws)
static inline struct lwtunnel_state *
lwtstate_get(struct lwtunnel_state *lws)
{
return lws;
}
static inline void lwtunnel_state_put(struct lwtunnel_state *lws)
static inline void lwtstate_put(struct lwtunnel_state *lws)
{
}