[Bugs] [Bug 1142409] DHT: Rebalance process crash after add-brick and `rebalance start' operation

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1142409



--- Comment #2 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/8751 committed in release-3.6 by Vijay Bellur
(vbellur at redhat.com) 
------
commit 9c7baab43b6e00a62bfa155df5d61f5ad49c652a
Author: Shyam <srangana at redhat.com>
Date:   Tue Sep 16 13:56:39 2014 -0400

    cluster/dht: Fixed double UNWIND in lookup everywhere code

    In dht_lookup_everywhere_done:
    Line: 1194 we call DHT_STACK_UNWIND
    and in the same if condition we go ahead and call, goto
    unwind_hashed_and_cached; which at Line 1371 calls another UNWIND.

    As is obvious, higher frames could cleanup their locals and on
    receiving the next unwind could cause a coredump of the process.

    Fixed the same by calling the required return post the first unwind

    Change-Id: Ic5d57da98255b8616a65b4caaedabeba9144fd49
    BUG: 1142409
    Signed-off-by: Shyam <srangana at redhat.com>
    Reviewed-on-master: http://review.gluster.org/8666
    Reviewed-by: N Balachandran <nbalacha at redhat.com>
    Reviewed-by: Vijay Bellur <vbellur at redhat.com>
    Reviewed-by: Jeff Darcy <jdarcy at redhat.com>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: susant palai <spalai at redhat.com>
    Reviewed-on: http://review.gluster.org/8751

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