From 17a05cca99d952f5b4766fa48a2703548966636a Mon Sep 17 00:00:00 2001
From: Christian Engelmayer <cengelma@gmx.at>
Date: Sun, 19 Jan 2014 02:08:49 +0100
Subject: [PATCH] block: Fix memory leak in rw_copy_check_uvector() handling

Fix a memory leak in the error handling path of function sg_io()
that is used during the processing of scsi ioctl. Memory already
allocated by rw_copy_check_uvector() needs to be freed correctly.
Detected by Coverity: CID 1128953.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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