From: Jeff Layton <jlayton@redhat.com>
Date: Fri, 17 Apr 2009 15:45:30 +0000 (-0400)
Subject: cifs: when renaming don't try to unlink negative dentry
X-Git-Tag: v2.6.30-rc3~52^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc6f394332ef1bf6ff5fbeaba0f2cd7a3c7971b6;p=pandora-kernel.git

cifs: when renaming don't try to unlink negative dentry

When attempting to rename a file on a read-only share, the kernel can
call cifs_unlink on a negative dentry, which causes an oops. Only try
to unlink the file if it's a positive dentry.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Tested-by: Shirish Pargaonkar <shirishp@us.ibm.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---

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