External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2025-01-25 22:15:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

qemu: process: Don't use shifted indexes for vcpu order verification

Browse Source 
Allocate a one larger bitmap rather than shifting the indexes back to
zero.
This commit is contained in:
Peter Krempa 2016-09-14 06:50:00 +02:00
parent 3d5dd28995
commit 8924f1b256
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/qemu/qemu_process.c
View File

@ -4788,7 +4788,7 @@ qemuProcessValidateHotpluggableVcpus(virDomainDefPtr def)
virBitmapPtr ordermap = NULL;
int ret = -1;
if (!(ordermap = virBitmapNew(maxvcpus)))
if (!(ordermap = virBitmapNew(maxvcpus + 1)))
goto cleanup;
/* validate:
@ -4805,13 +4805,13 @@ qemuProcessValidateHotpluggableVcpus(virDomainDefPtr def)
continue;
if (vcpu->order != 0) {
if (virBitmapIsBitSet(ordermap, vcpu->order - 1)) {
if (virBitmapIsBitSet(ordermap, vcpu->order)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("duplicate vcpu order '%u'"), vcpu->order);
goto cleanup;
}
ignore_value(virBitmapSetBit(ordermap, vcpu->order - 1));
ignore_value(virBitmapSetBit(ordermap, vcpu->order));
}