diff --git a/drivers/of/base.c b/drivers/of/base.c
index adb8764..966d6fd 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -715,13 +715,8 @@
 {
 	struct device_node *child;
 	int len;
-	const char *end;
 
-	end = strchr(path, ':');
-	if (!end)
-		end = strchrnul(path, '/');
-
-	len = end - path;
+	len = strcspn(path, "/:");
 	if (!len)
 		return NULL;