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Ensure failure to create macvtap device aborts LXC start

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A mistaken initialization of 'ret' caused failure to create
macvtap devices to be ignored. The libvirt_lxc process
would later fail to start due to missing devices

Also make sure code checks '< 0' and not '!= 0' since only
-1 is considered an error condition

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
(cherry picked from commit 43db9cf4ed)
This commit is contained in:
Daniel P. Berrange 2012-11-23 16:38:01 +00:00 committed by Cole Robinson
parent 74aa3ffec2
commit f928284b85
1 changed files with 4 additions and 4 deletions
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6
src/lxc/lxc_process.c
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@ -360,7 +360,7 @@ static int virLXCProcessSetupInterfaceDirect(virConnectPtr conn,
unsigned int *nveths, unsigned int *nveths,
char ***veths) char ***veths)
{ {
int ret = 0; int ret = -1;
char *res_ifname = NULL; char *res_ifname = NULL;
virLXCDriverPtr driver = conn->privateData; virLXCDriverPtr driver = conn->privateData;
virNetDevBandwidthPtr bw; virNetDevBandwidthPtr bw;
@ -542,7 +542,7 @@ static int virLXCProcessSetupInterfaces(virConnectPtr conn,
ret = 0; ret = 0;
cleanup: cleanup:
if (ret != 0) { if (ret < 0) {
for (i = 0 ; i < def->nnets ; i++) { for (i = 0 ; i < def->nnets ; i++) {
virDomainNetDefPtr iface = def->nets[i]; virDomainNetDefPtr iface = def->nets[i];
virNetDevVPortProfilePtr vport = virDomainNetGetActualVirtPortProfile(iface); virNetDevVPortProfilePtr vport = virDomainNetGetActualVirtPortProfile(iface);
@ -1031,7 +1031,7 @@ int virLXCProcessStart(virConnectPtr conn,
} }
} }
if (virLXCProcessSetupInterfaces(conn, vm->def, &nveths, &veths) != 0) if (virLXCProcessSetupInterfaces(conn, vm->def, &nveths, &veths) < 0)
goto cleanup; goto cleanup;
/* Save the configuration for the controller */ /* Save the configuration for the controller */