From: Masatake YAMATO <yamato@redhat.com>
Date: Wed, 28 May 2008 05:45:10 +0000 (+0900)
Subject: dlm: check for null in device_write
X-Git-Tag: v2.6.27-rc1~26^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=254ae43ab8d7877c980fca3636624e0777a70fa4;p=pandora-kernel.git

dlm: check for null in device_write

If `device_write' method is called via "dlm-control",
file->private_data is NULL. (See ctl_device_open() in
user.c. ) Through proc->flags is read.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---

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