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macvtap: work-around for 2.6.32 and older kernels

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This patch works around a recent extension of the netlink driver I had made use of when building the netlink messages. Unfortunately older kernels don't accept IFLA_IFNAME + name of interface as a replacement for the interface's index, so this patch now gets the interface index ifindex if it's not provided (ifindex <= 0).
This commit is contained in:
Stefan Berger 2010-06-17 07:05:38 -04:00
parent 07be2403b6
commit 045a5722ab
1 changed files with 3 additions and 0 deletions
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src/util/macvtap.c
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@ -905,6 +905,9 @@ ifaceGetNthParent(int ifindex, const char *ifname, unsigned int nthParent,
*nth = 0;
if (ifindex <= 0 && ifaceGetIndex(true, ifname, &ifindex) != 0)
return 1;
while (!end && i <= nthParent) {
rc = link_dump(true, ifname, ifindex, tb, &recvbuf);
if (rc)