diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 240109f965aeb72362226845a4364294924c607a..6a08f5f147a48865535d5a12d585de580f2b4842 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -21,6 +21,11 @@
 
 #define START_STRSIZE	16
 
+static const char *kconfig_white_list[] = {
+	"vendor/Kconfig",
+	"net/newip/Kconfig",
+};
+
 static struct {
 	struct file *file;
 	int lineno;
@@ -401,20 +406,35 @@ void zconf_initscan(const char *name)
 	yylineno = 1;
 }
 
+static bool zconf_in_whitelist(const char *path)
+{
+	int i;
+	for (i = 0; i < sizeof(kconfig_white_list) / sizeof(kconfig_white_list[0]); i++) {
+		if(strcmp(kconfig_white_list[i], path) == 0)
+			return true;
+	}
+	return false;
+}
+
 void zconf_nextfile(const char *name)
 {
 	struct file *iter;
 	struct file *file = file_lookup(name);
-	struct buffer *buf = xmalloc(sizeof(*buf));
-	memset(buf, 0, sizeof(*buf));
-
-	current_buf->state = YY_CURRENT_BUFFER;
-	yyin = zconf_fopen(file->name);
-	if (!yyin) {
+	struct buffer *buf = NULL;
+	FILE *yyin_tmp = zconf_fopen(file->name);
+	if (!yyin_tmp) {
+		if (zconf_in_whitelist(name) == true)
+			return;
 		fprintf(stderr, "%s:%d: can't open file \"%s\"\n",
 			zconf_curname(), zconf_lineno(), file->name);
 		exit(1);
 	}
+
+	buf = xmalloc(sizeof(*buf));
+	memset(buf, 0, sizeof(*buf));
+	current_buf->state = YY_CURRENT_BUFFER;
+	yyin = yyin_tmp;
+
 	yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
 	buf->parent = current_buf;
 	current_buf = buf;
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 421bb2fa6e51228a7d7d1762c79c9570c38e5b65..190f1117f35a2e7aa0c3ea4bcb4c98d1e4e96620 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -10,7 +10,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
-#include <unistd.h>
 
 #include "lkc.h"
 
@@ -21,18 +20,11 @@
 
 int cdebug = PRINTD;
 
-static const char *kconfig_white_list[] = {
-	"vendor/Kconfig",
-	"net/newip/Kconfig",
-	"net/newip/hooks/Kconfig",
-};
-
 static void yyerror(const char *err);
 static void zconfprint(const char *err, ...);
 static void zconf_error(const char *err, ...);
 static bool zconf_endtoken(const char *tokenname,
 			   const char *expected_tokenname);
-static bool zconf_in_whitelist(const char *path);
 
 struct symbol *symbol_hash[SYMBOL_HASHSIZE];
 
@@ -375,9 +367,7 @@ menu_option_list:
 source_stmt: T_SOURCE T_WORD_QUOTE T_EOL
 {
 	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
-	if (access(($2), F_OK) == 0 || zconf_in_whitelist($2) == false) {
-		zconf_nextfile($2);
-	}
+	zconf_nextfile($2);
 	free($2);
 };
 
@@ -494,16 +484,6 @@ assign_val:
 
 %%
 
-static bool zconf_in_whitelist(const char *path)
-{
-	int i;
-	for (i = 0; i < sizeof(kconfig_white_list) / sizeof(kconfig_white_list[0]); i++) {
-		if(strcmp(kconfig_white_list[i], path) == 0)
-			return true;
-	}
-	return false;
-}
-
 void conf_parse(const char *name)
 {
 	struct symbol *sym;