[Bugs] [Bug 1314548] New: tier: GCC throws Unused variable warning for conf in tier_link_cbk function

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1314548

            Bug ID: 1314548
           Summary: tier:  GCC throws Unused variable warning for conf in
                    tier_link_cbk function
           Product: GlusterFS
           Version: 3.7.8
         Component: tiering
          Assignee: bugs at gluster.org
          Reporter: rtalur at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org
        Depends On: 1314291



+++ This bug was initially created as a clone of Bug #1314291 +++

Description of problem:
When compiled on F23, we see warning for unused variable.

/home/jenkins/root/workspace/Manually_triggered_regression/xlators/cluster/dht/src/tier-common.c:
In function ‘tier_link_cbk’:
10:37:27
/home/jenkins/root/workspace/Manually_triggered_regression/xlators/cluster/dht/src/tier-common.c:33:23:
warning: variable ‘conf’ set but not used [-Wunused-but-set-variable]
10:37:27          dht_conf_t   *conf   = NULL;

--- Additional comment from Vijay Bellur on 2016-03-03 16:18:18 IST ---

REVIEW: http://review.gluster.org/13591 (tier: Fix unused-but-set-variable
warning) posted (#1) for review on master by Raghavendra Talur
(rtalur at redhat.com)

--- Additional comment from Vijay Bellur on 2016-03-03 21:05:16 IST ---

COMMIT: http://review.gluster.org/13591 committed in master by Jeff Darcy
(jdarcy at redhat.com) 
------
commit 6a406b87aa3cd8c086e998fe681197915bd436c2
Author: Raghavendra Talur <rtalur at redhat.com>
Date:   Thu Mar 3 16:09:27 2016 +0530

    tier: Fix unused-but-set-variable warning

    Change-Id: Ie5eaf1075b1c9c29dd7d85bf7b61b22e1fbce422
    BUG: 1314291
    Signed-off-by: Raghavendra Talur <rtalur at redhat.com>
    Reviewed-on: http://review.gluster.org/13591
    Reviewed-by: hari gowtham <hari.gowtham005 at gmail.com>
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Jeff Darcy <jdarcy at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1314291
[Bug 1314291] tier:  GCC throws Unused variable warning for conf in
tier_link_cbk function
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