1 files changed, 10 insertions, 9 deletions
diff --git a/arch/um/kernel/dtb.c b/arch/um/kernel/dtb.c
index 484141b06938..47cd3d869fb2 100644
--- a/arch/um/kernel/dtb.c
+++ b/arch/um/kernel/dtb.c
@@ -16,26 +16,27 @@ void uml_dtb_init(void)
 	void *area;
 
 	area = uml_load_file(dtb, &size);
-	if (!area)
-		return;
-
-	if (!early_init_dt_scan(area)) {
-		pr_err("invalid DTB %s\n", dtb);
-		memblock_free(area, size);
-		return;
+	if (area) {
+		if (!early_init_dt_scan(area, __pa(area))) {
+			pr_err("invalid DTB %s\n", dtb);
+			memblock_free(area, size);
+			return;
+		}
+
+		early_init_fdt_scan_reserved_mem();
 	}
 
-	early_init_fdt_scan_reserved_mem();
 	unflatten_device_tree();
 }
 
 static int __init uml_dtb_setup(char *line, int *add)
 {
+	*add = 0;
 	dtb = line;
 	return 0;
 }
 
 __uml_setup("dtb=", uml_dtb_setup,
 "dtb=<file>\n"
-"    Boot the kernel with the devicetree blob from the specified file.\n"
+"    Boot the kernel with the devicetree blob from the specified file.\n\n"
 );