glusterd:upon re-peer probe glusterd should not return response to CLI two times

This patch is backport of: http://review.gluster.org/#/c/13546/

If a node N1 and node N2 is part of the cluster and a node N2 try to reprobe
node N1 when N1 is disconnected by any means (for eg: either server is down
or glusterd is not running or there is a network outage, or firewall is
blocking port number 24007 on which glusterd listen, etc.), then glusterd
trying to send back two responses to CLI resulting into a double free and
a glusterd crash.

With this fix glusterd  will send response to cli only once and prevent
glusterd crash.

Note: glusterd was crashing only when user has done first peer probe with
hostname and re-probe with ip-address or vice-versa.

Change-Id: I92012b147091cf9129f1fbc17834b3f4d7cb46a0
BUG: 1315626
Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com>

  >> Change-Id: I92012b147091cf9129f1fbc17834b3f4d7cb46a0
  >> BUG: 1310677
  >> Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com>
  >> Reviewed-on: http://review.gluster.org/13546
  >> Smoke: Gluster Build System <jenkins@build.gluster.com>
  >> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
  >> CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
  >> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
(cherry picked from commit f44232e6a18a4b79e680ea0b6322269b84fa6813)

Change-Id: Ic7a35eb46099ab7456e04b7bae98c24416ec6651
Reviewed-on: http://review.gluster.org/13639
Tested-by: Gaurav Kumar Garg <ggarg@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>

0 files changed, 0 insertions, 0 deletions