Author: melifaro
Date: Fri Jan 16 10:49:27 2015
New Revision: 277240
URL: https://svnweb.freebsd.org/changeset/base/277240
Log:
Use ipfw runtime lock only when real modification is required.
Modified:
head/sys/netpfil/ipfw/ip_fw_nat.c
Modified: head/sys/netpfil/ipfw/ip_fw_nat.c
==============================================================================
--- head/sys/netpfil/ipfw/ip_fw_nat.c Fri Jan 16 10:44:39 2015
(r277239)
+++ head/sys/netpfil/ipfw/ip_fw_nat.c Fri Jan 16 10:49:27 2015
(r277240)
@@ -105,7 +105,7 @@ ifaddr_change(void *arg __unused, struct
KASSERT(curvnet == ifp->if_vnet,
("curvnet(%p) differs from iface vnet(%p)", curvnet, ifp->if_vnet));
chain = &V_layer3_chain;
- IPFW_WLOCK(chain);
+ IPFW_UH_WLOCK(chain);
/* Check every nat entry... */
LIST_FOREACH(ptr, &chain->nat, _next) {
/* ...using nic 'ifp->if_xname' as dynamic alias address. */
@@ -117,13 +117,15 @@ ifaddr_change(void *arg __unused, struct
continue;
if (ifa->ifa_addr->sa_family != AF_INET)
continue;
+ IPFW_WLOCK(chain);
ptr->ip = ((struct sockaddr_in *)
(ifa->ifa_addr))->sin_addr;
LibAliasSetAddress(ptr->lib, ptr->ip);
+ IPFW_WUNLOCK(chain);
}
if_addr_runlock(ifp);
}
- IPFW_WUNLOCK(chain);
+ IPFW_UH_WUNLOCK(chain);
}
/*
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