linux-kernel - [PATCH 011 of 14] knfsd: SUNRPC: Support IPv6 addresses in svc_tcp

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Message-Id:  <1061212235932.21501@suse.de>
Date:	Wed, 13 Dec 2006 10:59:32 +1100
From:	NeilBrown <neilb@...e.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	nfs@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [PATCH 011 of 14] knfsd: SUNRPC: Support IPv6 addresses in svc_tcp_accept


From: Chuck Lever <chuck.lever@...cle.com>
Modify svc_tcp_accept to support connecting on IPv6 sockets.

Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
Cc: Aurelien Charbon <aurelien.charbon@....bull.net>
Signed-off-by: Neil Brown <neilb@...e.de>

### Diffstat output
 ./net/sunrpc/svcsock.c |   11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff .prev/net/sunrpc/svcsock.c ./net/sunrpc/svcsock.c
--- .prev/net/sunrpc/svcsock.c	2006-12-13 10:32:17.000000000 +1100
+++ ./net/sunrpc/svcsock.c	2006-12-13 10:32:19.000000000 +1100
@@ -946,7 +946,8 @@ static inline int svc_port_is_privileged
 static void
 svc_tcp_accept(struct svc_sock *svsk)
 {
-	struct sockaddr_in sin;
+	struct sockaddr_storage addr;
+	struct sockaddr	*sin = (struct sockaddr *) &addr;
 	struct svc_serv	*serv = svsk->sk_server;
 	struct socket	*sock = svsk->sk_sock;
 	struct socket	*newsock;
@@ -973,8 +974,7 @@ svc_tcp_accept(struct svc_sock *svsk)
 	set_bit(SK_CONN, &svsk->sk_flags);
 	svc_sock_enqueue(svsk);
 
-	slen = sizeof(sin);
-	err = kernel_getpeername(newsock, (struct sockaddr *) &sin, &slen);
+	err = kernel_getpeername(newsock, sin, &slen);
 	if (err < 0) {
 		if (net_ratelimit())
 			printk(KERN_WARNING "%s: peername failed (err %d)!\n",
@@ -986,12 +986,11 @@ svc_tcp_accept(struct svc_sock *svsk)
 	 * hosts here, but when we get encryption, the IP of the host won't
 	 * tell us anything.  For now just warn about unpriv connections.
 	 */
-	if (!svc_port_is_privileged((struct sockaddr *) &sin)) {
+	if (!svc_port_is_privileged(sin)) {
 		dprintk(KERN_WARNING
 			"%s: connect from unprivileged port: %s\n",
 			serv->sv_name,
-			__svc_print_addr((struct sockaddr *) &sin, buf,
-								sizeof(buf)));
+			__svc_print_addr(sin, buf, sizeof(buf)));
 	}
 	dprintk("%s: connect from %s\n", serv->sv_name, buf);
 
-
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