Change sctp_ctl_sock_init() to try IPv4 if IPv6 socket registration
fails. Required if the IPv6 module is loaded with "disable=1",
else SCTP will fail to load.
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
net/sctp/protocol.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index c1e316e..e8c6287 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -692,15 +692,20 @@ static int sctp_inetaddr_event(struct notifier_block
*this, unsigned long ev,
static int sctp_ctl_sock_init(void)
{
int err;
- sa_family_t family;
+ sa_family_t family = PF_INET;
if (sctp_get_pf_specific(PF_INET6))
family = PF_INET6;
- else
- family = PF_INET;
err = inet_ctl_sock_create(&sctp_ctl_sock, family,
SOCK_SEQPACKET, IPPROTO_SCTP, &init_net);
+
+ /* If IPv6 socket could not be created, try the IPv4 socket */
+ if (err < 0 && family == PF_INET6)
+ err = inet_ctl_sock_create(&sctp_ctl_sock, AF_INET,
+ SOCK_SEQPACKET, IPPROTO_SCTP,
+ &init_net);
+
if (err < 0) {
printk(KERN_ERR
"SCTP: Failed to create the SCTP control socket.\n");
--
1.5.4.3
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
