[PATCH 013 of 14] knfsd: SUNRPC: fix up svc_create_socket() to take a sockaddr struct + length

[NeilBrown]

From: Chuck Lever <chuck.lever@xxxxxxxxxx>
Replace existing svc_create_socket() API to allow callers to pass addresses
larger than a sockaddr_in.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Cc: Aurelien Charbon <aurelien.charbon@xxxxxxxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>

### Diffstat output
 ./net/sunrpc/svcsock.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff .prev/net/sunrpc/svcsock.c ./net/sunrpc/svcsock.c
--- .prev/net/sunrpc/svcsock.c	2006-12-13 10:32:20.000000000 +1100
+++ ./net/sunrpc/svcsock.c	2006-12-13 10:32:50.000000000 +1100
@@ -1677,7 +1677,7 @@ EXPORT_SYMBOL_GPL(svc_addsock);
  * Create socket for RPC service.
  */
 static int svc_create_socket(struct svc_serv *serv, int protocol,
-				struct sockaddr_in *sin, int flags)
+				struct sockaddr *sin, int len, int flags)
 {
 	struct svc_sock	*svsk;
 	struct socket	*sock;
@@ -1687,8 +1687,7 @@ static int svc_create_socket(struct svc_
 
 	dprintk("svc: svc_create_socket(%s, %d, %s)\n",
 			serv->sv_program->pg_name, protocol,
-			__svc_print_addr((struct sockaddr *) sin, buf,
-								sizeof(buf)));
+			__svc_print_addr(sin, buf, sizeof(buf)));
 
 	if (protocol != IPPROTO_UDP && protocol != IPPROTO_TCP) {
 		printk(KERN_WARNING "svc: only UDP and TCP "
@@ -1697,15 +1696,15 @@ static int svc_create_socket(struct svc_
 	}
 	type = (protocol == IPPROTO_UDP)? SOCK_DGRAM : SOCK_STREAM;
 
-	if ((error = sock_create_kern(PF_INET, type, protocol, &sock)) < 0)
+	error = sock_create_kern(sin->sa_family, type, protocol, &sock);
+	if (error < 0)
 		return error;
 
 	svc_reclassify_socket(sock);
 
 	if (type == SOCK_STREAM)
-		sock->sk->sk_reuse = 1; /* allow address reuse */
-	error = kernel_bind(sock, (struct sockaddr *) sin,
-					sizeof(*sin));
+		sock->sk->sk_reuse = 1;		/* allow address reuse */
+	error = kernel_bind(sock, sin, len);
 	if (error < 0)
 		goto bummer;
 
@@ -1783,7 +1782,8 @@ int svc_makesock(struct svc_serv *serv, 
 	};
 
 	dprintk("svc: creating socket proto = %d\n", protocol);
-	return svc_create_socket(serv, protocol, &sin, flags);
+	return svc_create_socket(serv, protocol, (struct sockaddr *) &sin,
+							sizeof(sin), flags);
 }
 
 /*
-
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