diff options
| -rw-r--r-- | net/ipv4/tunnel4.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c index d619d2e83f5d..978b3fd61e65 100644 --- a/net/ipv4/tunnel4.c +++ b/net/ipv4/tunnel4.c @@ -17,6 +17,11 @@ static struct xfrm_tunnel *tunnel4_handlers; static struct xfrm_tunnel *tunnel64_handlers; static DEFINE_MUTEX(tunnel4_mutex); +static inline struct xfrm_tunnel **fam_handlers(unsigned short family) +{ + return (family == AF_INET) ? &tunnel4_handlers : &tunnel64_handlers; +} + int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family) { struct xfrm_tunnel **pprev; @@ -25,8 +30,7 @@ int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family) mutex_lock(&tunnel4_mutex); - for (pprev = (family == AF_INET) ? &tunnel4_handlers : &tunnel64_handlers; - *pprev; pprev = &(*pprev)->next) { + for (pprev = fam_handlers(family); *pprev; pprev = &(*pprev)->next) { if ((*pprev)->priority > priority) break; if ((*pprev)->priority == priority) @@ -53,8 +57,7 @@ int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family) mutex_lock(&tunnel4_mutex); - for (pprev = (family == AF_INET) ? &tunnel4_handlers : &tunnel64_handlers; - *pprev; pprev = &(*pprev)->next) { + for (pprev = fam_handlers(family); *pprev; pprev = &(*pprev)->next) { if (*pprev == handler) { *pprev = handler->next; ret = 0; |