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authorChristoph Hellwig <hch@lst.de>2020-05-28 07:12:34 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:11:46 -0700
commit7d7207c2d57080af93fc323dc6a85bd79207b4c6 (patch)
tree841e6426424bcd7b571fd88072668d6e3edd27bc /net/sunrpc/svcsock.c
parent18d5ad62327576cbb1e5b9938a59d63ac0c15832 (diff)
downloadlinux-7d7207c2d57080af93fc323dc6a85bd79207b4c6.tar.gz
ipv6: add ip6_sock_set_recvpktinfo
Add a helper to directly set the IPV6_RECVPKTINFO sockopt from kernel
space without going through a fake uaccess.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sunrpc/svcsock.c')
-rw-r--r--net/sunrpc/svcsock.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index a391892977cd..e7a0037d9b56 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -595,8 +595,6 @@ static struct svc_xprt_class svc_udp_class = {
 
 static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv)
 {
-	int err, level, optname, one = 1;
-
 	svc_xprt_init(sock_net(svsk->sk_sock->sk), &svc_udp_class,
 		      &svsk->sk_xprt, serv);
 	clear_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags);
@@ -617,17 +615,13 @@ static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv)
 	switch (svsk->sk_sk->sk_family) {
 	case AF_INET:
 		ip_sock_set_pktinfo(svsk->sk_sock->sk);
-		return;
+		break;
 	case AF_INET6:
-		level = SOL_IPV6;
-		optname = IPV6_RECVPKTINFO;
+		ip6_sock_set_recvpktinfo(svsk->sk_sock->sk);
 		break;
 	default:
 		BUG();
 	}
-	err = kernel_setsockopt(svsk->sk_sock, level, optname,
-					(char *)&one, sizeof(one));
-	dprintk("svc: kernel_setsockopt returned %d\n", err);
 }
 
 /*