We only set the template format if the template path is present,
and we should be consistent with that. The format on its own is
not very interesting anyway.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
---
 src/qemu/qemu_firmware.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c
index 52205b72f8..183fdd7ea9 100644
--- a/src/qemu/qemu_firmware.c
+++ b/src/qemu/qemu_firmware.c
@@ -1662,8 +1662,10 @@ qemuFirmwareFillDomainCustom(virDomainDef *def)
     if (!loader)
         return;
 
-    if (!loader->format)
+    if (loader->path &&
+        !loader->format) {
         loader->format = VIR_STORAGE_FILE_RAW;
+    }
 
     if (loader->nvramTemplate &&
         !loader->nvramTemplateFormat) {
-- 
2.53.0