From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 24 Apr 2018 09:33:29 +0000 (+0200)
Subject: mime: avoid NULL pointer dereference risk
X-Git-Tag: curl-7_60_0~62
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ba67f7d65a42e63eccfe0bcc87f82682d6e4cc9e;p=thirdparty%2Fcurl.git

mime: avoid NULL pointer dereference risk

Coverity detected, CID 1435120

Closes #2527
---

diff --git a/lib/mime.c b/lib/mime.c
index ce56d7873a..4c0d2eebab 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -1205,7 +1205,7 @@ CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
     res = curl_mime_filename(dst, src->filename);
 
   /* If an error occurred, rollback. */
-  if(res)
+  if(res && dst)
     Curl_mime_cleanpart(dst);
 
   return res;