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qemu: command: Move disk index validation closer to usage

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The disk index validation is used only in very specific cases and does
not need to be performed otherwise. Move it out of the global check into
the usage place.
This commit is contained in:
Peter Krempa
2017-11-07 14:29:37 +01:00
parent b60ce7b122
commit dfd300a71d
1 changed files with 9 additions and 10 deletions
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src/qemu/qemu_command.c
+9 -10
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@@ -1468,15 +1468,8 @@ qemuBuildDriveSourceStr(virDomainDiskDefPtr disk,
static int
qemuBuildDriveStrValidate(virDomainDiskDefPtr disk,
virQEMUCapsPtr qemuCaps,
const char *bus,
int idx)
const char *bus)
{
if (idx < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
return -1;
}
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_SCSI:
if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
@@ -1638,10 +1631,9 @@ qemuBuildDriveStr(virDomainDiskDefPtr disk,
const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus);
const char *trans =
virDomainDiskGeometryTransTypeToString(disk->geometry.trans);
int idx = virDiskNameToIndex(disk->dst);
bool emitDeviceSyntax = qemuDiskBusNeedsDeviceArg(disk->bus);
if (qemuBuildDriveStrValidate(disk, qemuCaps, bus, idx) < 0)
if (qemuBuildDriveStrValidate(disk, qemuCaps, bus) < 0)
goto error;
if (qemuBuildDriveSourceStr(disk, cfg, &opt, qemuCaps) < 0)
@@ -1671,6 +1663,13 @@ qemuBuildDriveStr(virDomainDiskDefPtr disk,
virBufferAsprintf(&opt, ",id=%s", drivealias);
VIR_FREE(drivealias);
} else {
int idx = virDiskNameToIndex(disk->dst);
if (idx < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
virBufferAsprintf(&opt, ",index=%d", idx);
}
if (bootable &&