From: Tvrtko Ursulin <tvrtko.ursulin@sophos.com>
Date: Thu, 15 Jul 2010 12:25:06 +0000 (+0100)
Subject: securityfs: Drop dentry reference count when mknod fails
X-Git-Tag: v2.6.36-rc1~584^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8bc83ab4dcbc9938b95a90bbb50d89d1904d5ab;p=pandora-kernel.git

securityfs: Drop dentry reference count when mknod fails

lookup_one_len increments dentry reference count which is not decremented
when the create operation fails. This can cause a kernel BUG at
fs/dcache.c:676 at unmount time. Also error code returned when new_inode()
fails was replaced with more appropriate -ENOMEM.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@sophos.com>
Acked-by: Serge E. Hallyn <serge@hallyn.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: James Morris <jmorris@namei.org>
---

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