From: Chengyu Song <csong84@gatech.edu>
Date: Tue, 24 Mar 2015 14:37:53 +0000 (-0500)
Subject: gfs2: incorrect check for debugfs returns
X-Git-Tag: omap-for-v4.1/fixes-rc1~152^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b4ddfa7c9523a19fca30830f8b426964d359da2;p=pandora-kernel.git

gfs2: incorrect check for debugfs returns

debugfs_create_dir and debugfs_create_file may return -ENODEV when debugfs
is not configured, so the return value should be checked against ERROR_VALUE
as well, otherwise the later dereference of the dentry pointer would crash
the kernel.

Signed-off-by: Chengyu Song <csong84@gatech.edu>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
---

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