From: Sage Weil <sage@newdream.net>
Date: Mon, 27 Sep 2010 17:18:52 +0000 (-0700)
Subject: ceph: avoid null deref in osd request error path
X-Git-Tag: v2.6.36-rc8~20^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bc18876ba01fd4a077db6e1ed27201e4bda8864;p=pandora-kernel.git

ceph: avoid null deref in osd request error path

If we interrupt an osd request, we call __cancel_request, but it wasn't
verifying that req->r_osd was non-NULL before dereferencing it.  This could
cause a crash if osds were flapping and we aborted a request on said osd.

Reported-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---

Reading git-diff-tree failed