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libxl: adopt to VIR_DRV_SUPPORTS_FEATURE return -1

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Otherwise in some places we can mistakenly report 'unsupported' error instead
of root cause. So let's handle root cause explicitly from the macro.

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Nikolay Shirokovskiy 2020-12-17 15:27:41 +03:00 committed by Nick Shyrokovskiy
parent d4439a6b83
commit 032a35893b
1 changed files with 6 additions and 4 deletions
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10
src/libxl/libxl_migration.c
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@ -1146,7 +1146,7 @@ libxlDomainMigrationSrcPerformP2P(libxlDriverPrivatePtr driver,
unsigned int flags)
{
int ret = -1;
bool useParams;
int useParams;
virConnectPtr dconn = NULL;
virErrorPtr orig_err = NULL;
libxlDriverConfigPtr cfg = libxlDriverConfigGet(driver);
@ -1171,9 +1171,11 @@ libxlDomainMigrationSrcPerformP2P(libxlDriverPrivatePtr driver,
VIR_DRV_FEATURE_MIGRATION_PARAMS);
virObjectLock(vm);
if (!useParams) {
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
_("Destination libvirt does not support migration with extensible parameters"));
if (useParams <= 0) {
if (useParams == 0)
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
_("Destination libvirt does not support migration"
" with extensible parameters"));
goto cleanup;
}