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Re: [libvirt] [PATCH] rpc: fix segmentation fault caused by null client-sock



On 08/27/2012 05:20 PM, Martin Kletzander wrote:
On 08/27/2012 11:09 AM, Guannan Ren wrote:
BZ:https://bugzilla.redhat.com/show_bug.cgi?id=851423
The client-sock could have been set to NULL by eventloop thread
after async event fired.
---
  src/rpc/virnetclient.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rpc/virnetclient.c b/src/rpc/virnetclient.c
index 4ecc703..43a9814 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;
  }

ACK,

Martin

    Thanks Martin
    pushed.

    Guannan


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