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Diffstat (limited to 'fs/lockd/svc.c')
-rw-r--r--fs/lockd/svc.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 64f1c31b5853..abf83881f68a 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -53,17 +53,6 @@ static struct svc_rqst *nlmsvc_rqst;
unsigned long nlmsvc_timeout;
/*
- * If the kernel has IPv6 support available, always listen for
- * both AF_INET and AF_INET6 requests.
- */
-#if (defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)) && \
- defined(CONFIG_SUNRPC_REGISTER_V4)
-static const sa_family_t nlmsvc_family = AF_INET6;
-#else /* (CONFIG_IPV6 || CONFIG_IPV6_MODULE) && CONFIG_SUNRPC_REGISTER_V4 */
-static const sa_family_t nlmsvc_family = AF_INET;
-#endif /* (CONFIG_IPV6 || CONFIG_IPV6_MODULE) && CONFIG_SUNRPC_REGISTER_V4 */
-
-/*
* These can be set at insmod time (useful for NFS as root filesystem),
* and also changed through the sysctl interface. -- Jamie Lokier, Aug 2003
*/
@@ -204,19 +193,30 @@ lockd(void *vrqstp)
return 0;
}
-static int create_lockd_listener(struct svc_serv *serv, char *name,
- unsigned short port)
+static int create_lockd_listener(struct svc_serv *serv, const char *name,
+ const int family, const unsigned short port)
{
struct svc_xprt *xprt;
- xprt = svc_find_xprt(serv, name, 0, 0);
+ xprt = svc_find_xprt(serv, name, family, 0);
if (xprt == NULL)
- return svc_create_xprt(serv, name, port, SVC_SOCK_DEFAULTS);
-
+ return svc_create_xprt(serv, name, family, port,
+ SVC_SOCK_DEFAULTS);
svc_xprt_put(xprt);
return 0;
}
+static int create_lockd_family(struct svc_serv *serv, const int family)
+{
+ int err;
+
+ err = create_lockd_listener(serv, "udp", family, nlm_udpport);
+ if (err < 0)
+ return err;
+
+ return create_lockd_listener(serv, "tcp", family, nlm_tcpport);
+}
+
/*
* Ensure there are active UDP and TCP listeners for lockd.
*
@@ -232,13 +232,15 @@ static int make_socks(struct svc_serv *serv)
static int warned;
int err;
- err = create_lockd_listener(serv, "udp", nlm_udpport);
+ err = create_lockd_family(serv, PF_INET);
if (err < 0)
goto out_err;
- err = create_lockd_listener(serv, "tcp", nlm_tcpport);
- if (err < 0)
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ err = create_lockd_family(serv, PF_INET6);
+ if (err < 0 && err != -EAFNOSUPPORT)
goto out_err;
+#endif /* CONFIG_IPV6 || CONFIG_IPV6_MODULE */
warned = 0;
return 0;
@@ -274,7 +276,7 @@ int lockd_up(void)
"lockd_up: no pid, %d users??\n", nlmsvc_users);
error = -ENOMEM;
- serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, nlmsvc_family, NULL);
+ serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, NULL);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
goto out;