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-rw-r--r--block.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/block.c b/block.c
index f8b36a634e..f6c8de465f 100644
--- a/block.c
+++ b/block.c
@@ -5528,6 +5528,18 @@ void bdrv_img_create(const char *filename, const char *fmt,
return;
}
+ if (!drv->create_opts) {
+ error_setg(errp, "Format driver '%s' does not support image creation",
+ drv->format_name);
+ return;
+ }
+
+ if (!proto_drv->create_opts) {
+ error_setg(errp, "Protocol driver '%s' does not support image creation",
+ proto_drv->format_name);
+ return;
+ }
+
create_opts = qemu_opts_append(create_opts, drv->create_opts);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);