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authorChristoph Hellwig <hch@lst.de>2020-05-28 08:12:31 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-28 21:11:45 +0300
commit9b115749acb24d11083ded4fe947ddd654a940e3 (patch)
tree8667571df0465bf10b1d72a641df77ac916dd773 /net/sunrpc/svcsock.c
parentc1f9ec5776dd05eaf62cf6788ecdfc905dc8ec2b (diff)
downloadlinux-9b115749acb24d11083ded4fe947ddd654a940e3.tar.xz
ipv6: add ip6_sock_set_v6only
Add a helper to directly set the IPV6_V6ONLY 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.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 7a805d165689..a391892977cd 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1328,7 +1328,6 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv,
struct sockaddr *newsin = (struct sockaddr *)&addr;
int newlen;
int family;
- int val;
RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]);
dprintk("svc: svc_create_socket(%s, %d, %s)\n",
@@ -1364,11 +1363,8 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv,
* getting requests from IPv4 remotes. Those should
* be shunted to a PF_INET listener via rpcbind.
*/
- val = 1;
if (family == PF_INET6)
- kernel_setsockopt(sock, SOL_IPV6, IPV6_V6ONLY,
- (char *)&val, sizeof(val));
-
+ ip6_sock_set_v6only(sock->sk);
if (type == SOCK_STREAM)
sock->sk->sk_reuse = SK_CAN_REUSE; /* allow address reuse */
error = kernel_bind(sock, sin, len);