svn commit: r230939 - projects/multi-fibv6/head/sys/net
Bjoern A. Zeeb
bz at FreeBSD.org
Fri Feb 3 11:20:11 UTC 2012
Author: bz
Date: Fri Feb 3 11:20:11 2012
New Revision: 230939
URL: http://svn.freebsd.org/changeset/base/230939
Log:
Minor optimization doing input validation with a possible early return
before doing further work.
Sponsored by: Cisco Systems, Inc.
Modified:
projects/multi-fibv6/head/sys/net/route.c
Modified: projects/multi-fibv6/head/sys/net/route.c
==============================================================================
--- projects/multi-fibv6/head/sys/net/route.c Fri Feb 3 11:00:53 2012 (r230938)
+++ projects/multi-fibv6/head/sys/net/route.c Fri Feb 3 11:20:11 2012 (r230939)
@@ -1406,6 +1406,8 @@ rtinit1(struct ifaddr *ifa, int cmd, int
dst = ifa->ifa_addr;
netmask = ifa->ifa_netmask;
}
+ if (dst->sa_len == 0)
+ return(EINVAL);
switch (dst->sa_family) {
case AF_INET6:
case AF_INET:
@@ -1427,8 +1429,6 @@ rtinit1(struct ifaddr *ifa, int cmd, int
startfib = fibnum;
endfib = fibnum;
}
- if (dst->sa_len == 0)
- return(EINVAL);
/*
* If it's a delete, check that if it exists,
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