2 files changed, 2 insertions, 2 deletions

diff --git a/scripts/kconfig/lex.zconf.c_shipped b/scripts/kconfig/lex.zconf.c_shipped
index 800f8c71c407..0fdc9049296f 100644
--- a/scripts/kconfig/lex.zconf.c_shipped
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -2264,7 +2264,7 @@ FILE *zconf_fopen(const char *name)
         FILE *f;
 
         f = fopen(name, "r");
-        if (!f && name[0] != '/') {
+        if (!f && name != NULL && name[0] != '/') {
                 env = getenv(SRCTREE);
                 if (env) {
                         sprintf(fullname, "%s/%s", env, name);
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index cfa46077c6b4..187d38ccadd5 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -265,7 +265,7 @@ FILE *zconf_fopen(const char *name)
         FILE *f;
 
         f = fopen(name, "r");
-        if (!f && name[0] != '/') {
+        if (!f && name != NULL && name[0] != '/') {
                 env = getenv(SRCTREE);
                 if (env) {
                         sprintf(fullname, "%s/%s", env, name);