[libvirt] [PATCH v2 3/3] qemuDomainRename: Explicitly check if domain is renaming to itself

[Michal Privoznik]

It may happen that user (mistakenly) wants to rename a domain to
itself. Which is no renaming at all. We should reject that with
some meaningful error message.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/qemu/qemu_driver.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 4c05324..083e4ff 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -19937,6 +19937,12 @@ static int qemuDomainRename(virDomainPtr dom,
         goto endjob;
     }
 
+    if (STREQ(vm->def->name, new_name)) {
+        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                       _("Can't rename domain to itself"));
+        goto cleanup;
+    }
+
     if (VIR_STRDUP(new_dom_name, new_name) < 0)
         goto endjob;
 
-- 
2.4.6