xfrm: place af number into xfrm_mode struct

This will be useful to know if we're supposed to decode ipv4 or ipv6.

While at it, make the unregister function return void, all module_exit
functions did just BUG(); there is never a point in doing error checks
if there is no way to handle such error.

Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c
index 3c29da5defe6..66ae79218bdf 100644
--- a/net/ipv6/xfrm6_mode_transport.c
+++ b/net/ipv6/xfrm6_mode_transport.c
@@ -100,19 +100,17 @@ static struct xfrm_mode xfrm6_transport_mode = {
 	.xmit = xfrm6_transport_xmit,
 	.owner = THIS_MODULE,
 	.encap = XFRM_MODE_TRANSPORT,
+	.family = AF_INET6,
 };
 
 static int __init xfrm6_transport_init(void)
 {
-	return xfrm_register_mode(&xfrm6_transport_mode, AF_INET6);
+	return xfrm_register_mode(&xfrm6_transport_mode);
 }
 
 static void __exit xfrm6_transport_exit(void)
 {
-	int err;
-
-	err = xfrm_unregister_mode(&xfrm6_transport_mode, AF_INET6);
-	BUG_ON(err);
+	xfrm_unregister_mode(&xfrm6_transport_mode);
 }
 
 module_init(xfrm6_transport_init);