[libvirt] [PATCH v2 3/3] qemu: hotplug: Reject VFIO hotplug if setting RLIMIT_MEMLOCK fails
Check the return value of virCommandSetMaxMemLock when hotplugging VFIO
PCI hostdevs and reject the hotplug if the memory limit can't be set.
---
src/qemu/qemu_hotplug.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 1e7a653..1a0d1e9 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1279,7 +1279,10 @@ qemuDomainAttachHostPCIDevice(virQEMUDriverPtr driver,
}
/* setup memory locking limits, that are necessary for VFIO */
- virProcessSetMaxMemLock(vm->pid, qemuDomainGetMlockLimitBytes(vm->def));
+ if (virProcessSetMaxMemLock(vm->pid,
+ qemuDomainGetMlockLimitBytes(vm->def)) < 0)
+ goto error;
+
break;
default:
--
2.6.2