From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jianpeng Ma , Sage Weil Subject: [ 108/117] ceph: Dont forget the up_read(&osdc->map_sem) if met error. Date: Tue, 24 Sep 2013 17:19:34 -0700 Message-Id: <20130925001752.739147531@linuxfoundation.org> In-Reply-To: <20130925001740.833541979@linuxfoundation.org> References: <20130925001740.833541979@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.11-stable review patch. If anyone has any objections, please let me know. ------------------ From: majianpeng commit 494ddd11be3e2621096bb425eed2886f8e8446d4 upstream. Signed-off-by: Jianpeng Ma Reviewed-by: Sage Weil Signed-off-by: Greg Kroah-Hartman --- fs/ceph/ioctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/fs/ceph/ioctl.c +++ b/fs/ceph/ioctl.c @@ -196,8 +196,10 @@ static long ceph_ioctl_get_dataloc(struc r = ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, len, &dl.object_no, &dl.object_offset, &olen); - if (r < 0) + if (r < 0) { + up_read(&osdc->map_sem); return -EIO; + } dl.file_offset -= dl.object_offset; dl.object_size = ceph_file_layout_object_size(ci->i_layout); dl.block_size = ceph_file_layout_su(ci->i_layout);