http: always remove curl easy from curlm session on release

We must call curl_multi_remove_handle when releasing the slot to
prevent subsequent calls to curl_multi_add_handle from failing
with CURLM_ADDED_ALREADY (in curl 7.32.1+; older versions
returned CURLM_BAD_EASY_HANDLE)

Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/http.c b/http.c
index a24f0d1..6a97783 100644 (file)
--- a/http.c
+++ b/http.c
@@ -855,11 +855,13 @@ void run_active_slot(struct active_request_slot *slot)
 static void release_active_slot(struct active_request_slot *slot)
 {
        closedown_active_slot(slot);
-       if (slot->curl && curl_session_count > min_curl_sessions) {
+       if (slot->curl) {
                xmulti_remove_handle(slot);
-               curl_easy_cleanup(slot->curl);
-               slot->curl = NULL;
-               curl_session_count--;
+               if (curl_session_count > min_curl_sessions) {
+                       curl_easy_cleanup(slot->curl);
+                       slot->curl = NULL;
+                       curl_session_count--;
+               }
        }
 #ifdef USE_CURL_MULTI
        fill_active_slots();