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| author | sam <sam@FreeBSD.org> | 2003-10-29 22:59:12 +0000 |
|---|---|---|
| committer | sam <sam@FreeBSD.org> | 2003-10-29 22:59:12 +0000 |
| commit | f188fceee73166a2c7dc46b964dffa3eb6f8de97 (patch) | |
| tree | f848248467fb44b7bb8040930f22dafa6d30de4a /sys/netinet6 | |
| parent | e7405e36c19af2fbd59ba156c269a08b15af8f8b (diff) | |
| download | FreeBSD-src-f188fceee73166a2c7dc46b964dffa3eb6f8de97.zip FreeBSD-src-f188fceee73166a2c7dc46b964dffa3eb6f8de97.tar.gz | |
correct LOR by using a local variable to hold result
instead of holding a lock while calling out of view
Supported by: FreeBSD Foundation
Diffstat (limited to 'sys/netinet6')
| -rw-r--r-- | sys/netinet6/in6.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c index 10f7473..ea01b1f 100644 --- a/sys/netinet6/in6.c +++ b/sys/netinet6/in6.c @@ -214,14 +214,16 @@ static void in6_ifaddloop(struct ifaddr *ifa) { struct rtentry *rt; + int need_loop; /* If there is no loopback entry, allocate one. */ rt = rtalloc1(ifa->ifa_addr, 0, 0); - if (rt == NULL || (rt->rt_flags & RTF_HOST) == 0 || - (rt->rt_ifp->if_flags & IFF_LOOPBACK) == 0) - in6_ifloop_request(RTM_ADD, ifa); + need_loop = (rt == NULL || (rt->rt_flags & RTF_HOST) == 0 || + (rt->rt_ifp->if_flags & IFF_LOOPBACK) == 0); if (rt) rtfree(rt); + if (need_loop) + in6_ifloop_request(RTM_ADD, ifa); } /* |
