Author: qingli
Date: Sun Aug 28 00:14:40 2011
New Revision: 225223
URL: http://svn.freebsd.org/changeset/base/225223
Log:
When an interface address route is removed from the system, another
route with the same prefix is searched for as a replacement. The
current code did not bypass routes that have non-operational
interfaces. This patch fixes that bug and will find a replacement
route with an active interface.
PR: kern/159603
Submitted by: pluknet, ambrisko at ambrisko dot com
Reviewed by: discussed on net@
Approved by: re (bz)
MFC after: 3 days
Modified:
head/sys/netinet/in.c
Modified: head/sys/netinet/in.c
==============================================================================
--- head/sys/netinet/in.c Sat Aug 27 22:10:53 2011 (r225222)
+++ head/sys/netinet/in.c Sun Aug 28 00:14:40 2011 (r225223)
@@ -1163,7 +1163,8 @@ in_scrubprefix(struct in_ifaddr *target,
p.s_addr &= ia->ia_sockmask.sin_addr.s_addr;
}
- if (prefix.s_addr != p.s_addr)
+ if ((prefix.s_addr != p.s_addr) ||
+ !(ia->ia_ifp->if_flags & IFF_UP))
continue;
/*
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