multi.c: OOM handling fix

Fix curl_multi_cleanup() segfault when using weird cleanup sequence.

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/multi.c b/lib/multi.c
index 5026f8d2d..63aac69fa 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -1775,10 +1775,6 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
 
   if(GOOD_MULTI_HANDLE(multi)) {
     multi->type = 0; /* not good anymore */
-    Curl_hash_destroy(multi->hostcache);
-    Curl_hash_destroy(multi->sockhash);
-    multi->hostcache = NULL;
-    multi->sockhash = NULL;
 
     /* go over all connections that have close actions */
     for(i=0; i< multi->connc->num; i++) {
@@ -1802,6 +1798,12 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
       cl= n;
     }
 
+    Curl_hash_destroy(multi->hostcache);
+    multi->hostcache = NULL;
+
+    Curl_hash_destroy(multi->sockhash);
+    multi->sockhash = NULL;
+
     Curl_rm_connc(multi->connc);
     multi->connc = NULL;