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authorChristoph Hellwig <hch@lst.de>2020-05-28 07:12:13 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:11:44 -0700
commit7594888c782e735f8a7b110094307a4dbe7b3f03 (patch)
tree70ec43dbef51bfe6b0b7799abbc866dcb11cbcca /net/ipv6
parent76ee0785f42afbc0418072b7179d95f450d3c9a8 (diff)
downloadlinux-7594888c782e735f8a7b110094307a4dbe7b3f03.tar.bz2
net: add sock_bindtoindex
Add a helper to directly set the SO_BINDTOIFINDEX 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/ipv6')
-rw-r--r--net/ipv6/ip6_udp_tunnel.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index 58956a6b66a2..6523609516d2 100644
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -33,9 +33,7 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg,
goto error;
}
if (cfg->bind_ifindex) {
- err = kernel_setsockopt(sock, SOL_SOCKET, SO_BINDTOIFINDEX,
- (void *)&cfg->bind_ifindex,
- sizeof(cfg->bind_ifindex));
+ err = sock_bindtoindex(sock->sk, cfg->bind_ifindex);
if (err < 0)
goto error;
}