From: Oleg Drokin <green@linuxhacker.ru>
Date: Mon, 2 Feb 2015 02:52:19 +0000 (-0500)
Subject: staging/lustre/mdc: Initialize req in mdc_enqueue for !it case
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~83^2~11
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a09f36efd8f0c5c5d968fbbbb0967121076a25b;p=pandora-kernel.git

staging/lustre/mdc: Initialize req in mdc_enqueue for !it case

Commit ab909585b813 ("staging: lustre: Cleanup variable declarations
in mdc_enqueue()") broke Lustre flock handling introducing access
to uninitialized req variable, leading to bizzare crash in a later
call to __req_capsule_offset with invalid pill value.

Set req to NULL just for this case as in all other cases req is
explicitly initialized with request packing call.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
CC: Srikrishan Malik <srikrishanmalik@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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