Ensure the mime_hdr_free function can handle NULLs
authorMatt Caswell <matt@openssl.org>
Mon, 22 Aug 2016 21:27:27 +0000 (22:27 +0100)
committerMatt Caswell <matt@openssl.org>
Mon, 22 Aug 2016 23:19:15 +0000 (00:19 +0100)
Sometimes it is called with a NULL pointer

Reviewed-by: Tim Hudson <tjh@openssl.org>
crypto/asn1/asn_mime.c

index a4527a1..d7ec801 100644 (file)
@@ -918,6 +918,8 @@ static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, const char *name)
 
 static void mime_hdr_free(MIME_HEADER *hdr)
 {
+    if (hdr == NULL)
+        return;
     OPENSSL_free(hdr->name);
     OPENSSL_free(hdr->value);
     if (hdr->params)