[libvirt] [PATCH 3/4] qemu: error out on attempt to change blkiotune group name

[Ján Tomko]

Check that the attribute is the same in qemuDomainDiskChangeSupported
in case somebody tries to change it using the UpdateDevice API.

https://bugzilla.redhat.com/show_bug.cgi?id=1601677

Signed-off-by: Ján Tomko <jtomko at redhat.com>
---
 src/qemu/qemu_domain.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 72e322d6a7..e75ea15c91 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -9398,6 +9398,8 @@ qemuDomainDiskChangeSupported(virDomainDiskDefPtr disk,
     CHECK_EQ(blkdeviotune.size_iops_sec,
              "blkdeviotune size_iops_sec",
              true);
+    CHECK_STREQ_NULLABLE(blkdeviotune.group_name,
+                         "blkdeviotune group name");
 
     if (disk->serial && STRNEQ_NULLABLE(disk->serial, orig_disk->serial)) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
-- 
2.20.1