MdeModulePkg: Add NULL pointer check for RegularExpressionDxe.

[mirror_edk2.git] / MdeModulePkg / Universal / RegularExpressionDxe / Oniguruma / regerror.c

diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c
index 086a747629811d58b4e282a504187d72438e1425..c3ec3626eb44f857dd355f8db998604fe4272f9b 100644 (file)
--- a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c
@@ -308,6 +308,10 @@ onig_error_code_to_str(s, code, va_alist)
 \r
   default:\r
     q = onig_error_code_to_format(code);\r
+    if (q == NULL) {\r
+      len = 0;\r
+      break;\r
+    }\r
     len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, q);\r
     xmemcpy(s, q, len);\r
     s[len] = '\0';\r