From: Guannan Ren <gren@redhat.com>
Date: Mon, 27 Aug 2012 08:59:25 +0000 (+0800)
Subject: rpc: fix segmentation fault caused by null client-sock
X-Git-Tag: v0.10.0~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b8624dd33023bd706b55b5a956d242d53928ec5;p=thirdparty%2Flibvirt.git

rpc: fix segmentation fault caused by null client-sock

The client-sock could have been set to NULL by eventloop thread
after async event fired.
---

diff --git a/src/rpc/virnetclient.c b/src/rpc/virnetclient.c
index 4ecc7035bc..43a9814b78 100644
--- a/src/rpc/virnetclient.c
+++ b/src/rpc/virnetclient.c
@@ -644,7 +644,8 @@ virNetClientMarkClose(virNetClientPtr client,
                       int reason)
 {
     VIR_DEBUG("client=%p, reason=%d", client, reason);
-    virNetSocketRemoveIOCallback(client->sock);
+    if (client->sock)
+        virNetSocketRemoveIOCallback(client->sock);
     client->wantClose = true;
     client->closeReason = reason;
 }