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qemu: migration: Make check for empty hook XML robust

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Also consider whitespace only strings returned from the hook as empty
result.
This commit is contained in:
Peter Krempa 2014-10-22 11:27:36 +02:00
parent e386779937
commit 19b1ee42b4
1 changed files with 1 additions and 1 deletions
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2
src/qemu/qemu_migration.c
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@ -2570,7 +2570,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
if (hookret < 0) { if (hookret < 0) {
goto cleanup; goto cleanup;
} else if (hookret == 0) { } else if (hookret == 0) {
if (!*xmlout) { if (virStringIsEmpty(xmlout)) {
VIR_DEBUG("Migrate hook filter returned nothing; using the" VIR_DEBUG("Migrate hook filter returned nothing; using the"
" original XML"); " original XML");
} else { } else {