Messages in this thread Patch in this message | | | Date | Tue, 03 Mar 2009 21:38:54 -0500 | From | Brian Haley <> | Subject | [PATCH 2/2] SCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails |
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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
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