From ded07c48e26d7bdf315b75db482bc03cec4a6464 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Wed, 17 May 2017 13:09:15 +0200
Subject: [PATCH 09/27] curl: strengthen assertion in curl_clean_state

RH-Author: Paolo Bonzini <pbonzini@redhat.com>
Message-id: <20170517130921.27402-2-pbonzini@redhat.com>
Patchwork-id: 75265
O-Subject: [RHEL7.4 qemu-kvm PATCH v2 1/7] curl: strengthen assertion in curl_clean_state
Bugzilla: 1437393
RH-Acked-by: Max Reitz <mreitz@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>

curl_clean_state should only be called after all AIOCBs have been
completed.  This is not so obvious for the call from curl_detach_aio_context,
so assert that.

Cc: qemu-stable@nongnu.org
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170515100059.15795-2-pbonzini@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit 675a775633e68bf8b426a896fea5b93a4f4ff1cc)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 block/curl.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/block/curl.c b/block/curl.c
index 2708d57..e77a64b 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -532,6 +532,11 @@ static CURLState *curl_init_state(BlockDriverState *bs, BDRVCURLState *s)
 
 static void curl_clean_state(CURLState *s)
 {
+    int j;
+    for (j = 0; j < CURL_NUM_ACB; j++) {
+        assert(!s->acb[j]);
+    }
+
     if (s->s->multi)
         curl_multi_remove_handle(s->s->multi, s->curl);
 
-- 
1.8.3.1