From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 2 Oct 2014 21:22:01 +0000 (+0200)
Subject: multi_runsingle: fix memory leak
X-Git-Tag: curl-7_39_0~195
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0d357155cc8b5132e33ee6d20b0a83aff872e58b;p=thirdparty%2Fcurl.git

multi_runsingle: fix memory leak

Coverity CID 1202837. There's a potential risk that 'newurl' gets
overwritten when it was already pointing to allocated memory.
---

diff --git a/lib/multi.c b/lib/multi.c
index a1dc2c82c9..7e7da682a9 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -1590,6 +1590,8 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
           if(!retry) {
             /* if the URL is a follow-location and not just a retried request
                then figure out the URL here */
+            if(newurl)
+              free(newurl);
             newurl = data->req.newurl;
             data->req.newurl = NULL;
             follow = FOLLOW_REDIR;