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qemu_cgroup: Kill qemuSetupHostUSBDeviceCgroup

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There's no need for this function. Currently it is passed as a
callback to virUSBDeviceFileIterate(). However, USB devices have
just one file path. Therefore we can mimic approach used in
qemuDomainGetHostdevPath() to get path and call
virCgroupAllowDevicePath() directly.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Michal Privoznik 2017-02-09 10:16:12 +01:00
parent 165c76acd0
commit 4d7d1c4bc3
1 changed files with 9 additions and 25 deletions
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34
src/qemu/qemu_cgroup.c
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@ -260,23 +260,6 @@ qemuSetupInputCgroup(virDomainObjPtr vm,
}
static int
qemuSetupHostUSBDeviceCgroup(virUSBDevicePtr dev ATTRIBUTE_UNUSED,
const char *path,
void *opaque)
{
virDomainObjPtr vm = opaque;
qemuDomainObjPrivatePtr priv = vm->privateData;
int ret;
VIR_DEBUG("Process path '%s' for USB device", path);
ret = virCgroupAllowDevicePath(priv->cgroup, path,
VIR_CGROUP_DEVICE_RW, false);
virDomainAuditCgroupPath(vm, priv->cgroup, "allow", path, "rw", ret == 0);
return ret;
}
static int
qemuSetupHostSCSIDeviceCgroup(virSCSIDevicePtr dev ATTRIBUTE_UNUSED,
const char *path,
@ -333,6 +316,7 @@ qemuSetupHostdevCgroup(virDomainObjPtr vm,
virSCSIDevicePtr scsi = NULL;
virSCSIVHostDevicePtr host = NULL;
char *path = NULL;
int rv;
/* currently this only does something for PCI devices using vfio
* for device assignment, but it is called for *all* hostdev
@ -347,8 +331,6 @@ qemuSetupHostdevCgroup(virDomainObjPtr vm,
switch ((virDomainHostdevSubsysType) dev->source.subsys.type) {
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
if (pcisrc->backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
int rv;
pci = virPCIDeviceNew(pcisrc->addr.domain,
pcisrc->addr.bus,
pcisrc->addr.slot,
@ -381,13 +363,15 @@ qemuSetupHostdevCgroup(virDomainObjPtr vm,
goto cleanup;
}
/* oddly, qemuSetupHostUSBDeviceCgroup doesn't ever
* reference the usb object we just created
*/
if (virUSBDeviceFileIterate(usb, qemuSetupHostUSBDeviceCgroup,
vm) < 0) {
if (VIR_STRDUP(path, virUSBDeviceGetPath(usb)) < 0)
goto cleanup;
VIR_DEBUG("Process path '%s' for USB device", path);
rv = virCgroupAllowDevicePath(priv->cgroup, path,
VIR_CGROUP_DEVICE_RW, false);
virDomainAuditCgroupPath(vm, priv->cgroup, "allow", path, "rw", rv == 0);
if (rv < 0)
goto cleanup;
}
break;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI: {