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[Quagga] Ignore wireless netlink messages

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This patch fixes a bug where zebra terminates randomly with SIGABRT. The 
problem originates from zebra trying to parse wireless netlink messages. The 
following patch makes zebra ignore these messages.

Signed-off-by: Acinonyx <acinonyxs@yahoo.gr>


git-svn-id: svn://svn.openwrt.org/openwrt@15676 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2009-05-07 13:40:30 +00:00
parent ccb081a9a0
commit f642786b3f
1 changed files with 40 additions and 0 deletions
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40
patches/130-netlink_ignore_wireless.patch Normal file
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@ -0,0 +1,40 @@
diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index 61b2505..e766259 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -487,6 +487,17 @@ netlink_interface (struct sockaddr_nl *snl, struct nlmsghdr *h)
/* Looking up interface name. */
memset (tb, 0, sizeof tb);
netlink_parse_rtattr (tb, IFLA_MAX, IFLA_RTA (ifi), len);
+
+#ifdef IFLA_WIRELESS
+ /* check for wireless messages to ignore */
+ if ((tb[IFLA_WIRELESS] != NULL) && (ifi->ifi_change == 0))
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ zlog_debug ("%s: ignoring IFLA_WIRELESS message", __func__);
+ return 0;
+ }
+#endif /* IFLA_WIRELESS */
+
if (tb[IFLA_IFNAME] == NULL)
return -1;
name = (char *) RTA_DATA (tb[IFLA_IFNAME]);
@@ -943,6 +954,17 @@ netlink_link_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
/* Looking up interface name. */
memset (tb, 0, sizeof tb);
netlink_parse_rtattr (tb, IFLA_MAX, IFLA_RTA (ifi), len);
+
+#ifdef IFLA_WIRELESS
+ /* check for wireless messages to ignore */
+ if ((tb[IFLA_WIRELESS] != NULL) && (ifi->ifi_change == 0))
+ {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ zlog_debug ("%s: ignoring IFLA_WIRELESS message", __func__);
+ return 0;
+ }
+#endif /* IFLA_WIRELESS */
+
if (tb[IFLA_IFNAME] == NULL)
return -1;
name = (char *) RTA_DATA (tb[IFLA_IFNAME]);