http-fetch: do not use curl_message after releasing it

When curl_message is released using curl_multi_remove_handle(), it's
contents are undefined. Therefore, get the information before releasing it.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/http-fetch.c b/http-fetch.c
index b12779d..ea8af1b 100644 (file)
--- a/http-fetch.c
+++ b/http-fetch.c
@@ -578,6 +578,7 @@ void process_curl_messages(void)
 
        while (curl_message != NULL) {
                if (curl_message->msg == CURLMSG_DONE) {
+                       int curl_result = curl_message->data.result;
                        slot = active_queue_head;
                        while (slot != NULL &&
                               slot->curl != curl_message->easy_handle)
@@ -587,7 +588,7 @@ void process_curl_messages(void)
                                active_requests--;
                                slot->done = 1;
                                slot->in_use = 0;
-                               slot->curl_result = curl_message->data.result;
+                               slot->curl_result = curl_result;
                                curl_easy_getinfo(slot->curl,
                                                  CURLINFO_HTTP_CODE,
                                                  &slot->http_code);
@@ -599,8 +600,7 @@ void process_curl_messages(void)
                                fprintf(stderr, "Received DONE message for unknown request!\n");
                        }
                        if (request != NULL) {
-                               request->curl_result =
-                                       curl_message->data.result;
+                               request->curl_result = curl_result;
                                request->http_code = slot->http_code;
                                request->slot = NULL;
                                request->state = COMPLETE;