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qemu: fix netdev alias name assignment wrt type='hostdev'

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This patch resolves:

   https://bugzilla.redhat.com/show_bug.cgi?id=827519

The problem is that an interface with type='hostdev' will have an
alias of the form "hostdev%d", while the function that looks through
existing netdevs to determine the name to use for a new addition will
fail if there's an existing entry that does not match the form
"net%d".

This is another of the handful of places that need an exception due to
the hybrid nature of <interface type='hostdev'> (which is not exactly
an <interface> or a <hostdev>, but is both at the same time).
(cherry picked from commit 6734ce7bc8)
This commit is contained in:
Laine Stump 2012-06-01 12:50:37 -04:00 committed by Cole Robinson
parent 114b726f0d
commit 5b3c356015
1 changed files with 5 additions and 0 deletions
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5
src/qemu/qemu_command.c
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@ -542,6 +542,11 @@ qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx)
idx = 0; idx = 0;
for (i = 0 ; i < def->nnets ; i++) { for (i = 0 ; i < def->nnets ; i++) {
int thisidx; int thisidx;
if (def->nets[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV) {
/* type='hostdev' interfaces have a hostdev%d alias */
continue;
}
if ((thisidx = qemuDomainDeviceAliasIndex(&def->nets[i]->info, "net")) < 0) { if ((thisidx = qemuDomainDeviceAliasIndex(&def->nets[i]->info, "net")) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s", qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to determine device index for network device")); _("Unable to determine device index for network device"));