From: Bart Van Assche <bvanassche@acm.org>
Date: Fri, 14 Mar 2014 12:54:11 +0000 (+0100)
Subject: IB/srp: Fix a race condition between failing I/O and I/O completion
X-Git-Tag: v3.15-rc1~103^2^11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3fe628da2898cf1387105026dfed551ecc25de5;p=pandora-kernel.git

IB/srp: Fix a race condition between failing I/O and I/O completion

Avoid that srp_terminate_io() can access req->scmnd after it has been
cleared by the I/O completion code. Do this by protecting req->scmnd
accesses from srp_terminate_io() via locking

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

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