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qemu: separate counting of USB controllers

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qemuBuildLegacyUSBControllerCommandLine is the only place where
we need to count the USB controllers.

Count them again instead of keeping track in a variable passed to
qemuBuildControllerDevStr.

This removes the need for another variable in the loop in
qemuBuildControllerDevCommandLine.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
This commit is contained in:
Ján Tomko 2019-01-15 16:28:55 +01:00
parent dab3d5d350
commit 8f5e50e003
1 changed files with 6 additions and 4 deletions
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10
src/qemu/qemu_command.c
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@ -3063,11 +3063,11 @@ qemuBuildDomainForbidLegacyUSBController(const virDomainDef *def)
static int
qemuBuildLegacyUSBControllerCommandLine(virCommandPtr cmd,
const virDomainDef *def,
int usbcontroller)
const virDomainDef *def)
{
size_t i;
size_t nlegacy = 0;
size_t nusb = 0;
for (i = 0; i < def->ncontrollers; i++) {
virDomainControllerDefPtr cont = def->controllers[i];
@ -3081,6 +3081,8 @@ qemuBuildLegacyUSBControllerCommandLine(virCommandPtr cmd,
if (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_DEFAULT)
nlegacy++;
else
nusb++;
}
if (nlegacy > 1) {
@ -3090,7 +3092,7 @@ qemuBuildLegacyUSBControllerCommandLine(virCommandPtr cmd,
return -1;
}
if (usbcontroller == 0 &&
if (nusb == 0 &&
!qemuBuildDomainForbidLegacyUSBController(def) &&
!ARCH_IS_S390(def->os.arch)) {
/* We haven't added any USB controller yet, but we haven't been asked
@ -3227,7 +3229,7 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd,
}
}
if (qemuBuildLegacyUSBControllerCommandLine(cmd, def, usbcontroller) < 0)
if (qemuBuildLegacyUSBControllerCommandLine(cmd, def) < 0)
goto cleanup;
ret = 0;