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qemu: command: Refactor logic when formatting -drive

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Move all logic depending on whether we are solely formatting -drive (no
-device along with it) into one block.
This commit is contained in:
Peter Krempa 2017-11-14 14:13:01 +01:00
parent b9dfed787d
commit 55a5d71825
1 changed files with 10 additions and 13 deletions
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23
src/qemu/qemu_command.c
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@ -1657,26 +1657,16 @@ qemuBuildDriveStr(virDomainDiskDefPtr disk,
virQEMUCapsPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
bool emitDeviceSyntax = qemuDiskBusNeedsDeviceArg(disk->bus);
/* if we are using -device this will be checked elsewhere */
if (!emitDeviceSyntax &&
qemuCheckDiskConfig(disk, qemuCaps) < 0)
goto error;
if (qemuBuildDriveSourceStr(disk, cfg, &opt, qemuCaps) < 0)
goto error;
if (emitDeviceSyntax)
virBufferAddLit(&opt, "if=none");
else
virBufferAsprintf(&opt, "if=%s",
virDomainDiskQEMUBusTypeToString(disk->bus));
if (emitDeviceSyntax) {
if (qemuDiskBusNeedsDeviceArg(disk->bus)) {
char *drivealias = qemuAliasFromDisk(disk);
if (!drivealias)
goto error;
virBufferAddLit(&opt, "if=none");
virBufferAsprintf(&opt, ",id=%s", drivealias);
VIR_FREE(drivealias);
} else {
@ -1687,6 +1677,13 @@ qemuBuildDriveStr(virDomainDiskDefPtr disk,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
/* if we are using -device this will be checked elsewhere */
if (qemuCheckDiskConfig(disk, qemuCaps) < 0)
goto error;
virBufferAsprintf(&opt, "if=%s",
virDomainDiskQEMUBusTypeToString(disk->bus));
virBufferAsprintf(&opt, ",index=%d", idx);
}