efi: make sure parse_boolean() does something useful on a NULL parameter

2018-11-16 15:47:18 +01:00
parent 427ee7ec82
commit 95a18e91db
1 changed files with 3 additions and 0 deletions
@@ -60,6 +60,9 @@ UINT64 time_usec(VOID) {
 }

 EFI_STATUS parse_boolean(const CHAR8 *v, BOOLEAN *b) {
+        if (!v)
+                return EFI_INVALID_PARAMETER;
+
        if (strcmpa(v, (CHAR8 *)"1") == 0 ||
            strcmpa(v, (CHAR8 *)"yes") == 0 ||
            strcmpa(v, (CHAR8 *)"y") == 0 ||