Author: kmacy
Date: Wed Dec 17 04:33:52 2008
New Revision: 186209
URL: http://svn.freebsd.org/changeset/base/186209
Log:
avoid trying to acquire a shared lock while holding an exclusive lock
by making the ifnet lock acquisition exclusive
Modified:
head/sys/net/if.c
Modified: head/sys/net/if.c
==============================================================================
--- head/sys/net/if.c Wed Dec 17 04:15:38 2008 (r186208)
+++ head/sys/net/if.c Wed Dec 17 04:33:52 2008 (r186209)
@@ -197,9 +197,9 @@ ifnet_byindex(u_short idx)
INIT_VNET_NET(curvnet);
struct ifnet *ifp;
- IFNET_RLOCK();
+ IFNET_WLOCK();
ifp = V_ifindex_table[idx].ife_ifnet;
- IFNET_RUNLOCK();
+ IFNET_WUNLOCK();
return (ifp);
}
@@ -218,9 +218,9 @@ ifaddr_byindex(u_short idx)
{
struct ifaddr *ifa;
- IFNET_RLOCK();
+ IFNET_WLOCK();
ifa = ifnet_byindex(idx)->if_addr;
- IFNET_RUNLOCK();
+ IFNET_WUNLOCK();
return (ifa);
}
_______________________________________________
[email protected] mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "[email protected]"
