diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index f44f979..8668808 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1080,8 +1080,8 @@
 int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 				     int depth, void *data)
 {
-	unsigned long l = 0;
-	char *p = NULL;
+	int l = 0;
+	const char *p = NULL;
 	char *cmdline = data;
 
 	pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);