qemuDomainBlockResize: Agregate all checks at the beginning

Move the check for readonly and empty disks to the top where all other
checks will be done.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 4a21e5af9c68329403974ba943fd2f91258fb0e8..7f719c33de63979bd958fb4bf1ae746a5991c6eb 100644 (file)
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -9279,6 +9279,13 @@ qemuDomainBlockResize(virDomainPtr dom,
         goto endjob;
     }
 
+    if (virStorageSourceIsEmpty(disk->src) || disk->src->readonly) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+                       _("can't resize empty or readonly disk '%1$s'"),
+                       disk->dst);
+        goto endjob;
+    }
+
     if (virStorageSourceGetActualType(disk->src) == VIR_STORAGE_TYPE_VHOST_USER) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
                        _("block resize is not supported for vhostuser disk"));
@@ -9292,13 +9299,6 @@ qemuDomainBlockResize(virDomainPtr dom,
         disk->src->format == VIR_STORAGE_FILE_QED)
         size = VIR_ROUND_UP(size, 512);
 
-    if (virStorageSourceIsEmpty(disk->src) || disk->src->readonly) {
-        virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
-                       _("can't resize empty or readonly disk '%1$s'"),
-                       disk->dst);
-        goto endjob;
-    }
-
     if (!qemuDiskBusIsSD(disk->bus)) {
         nodename = qemuBlockStorageSourceGetEffectiveNodename(disk->src);
     } else {