| From | Greg Kroah-Hartman <> | Subject | [ 108/117] ceph: Dont forget the up_read(&osdc->map_sem) if met error. | Date | Tue, 24 Sep 2013 17:19:34 -0700 |
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3.11-stable review patch. If anyone has any objections, please let me know.
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From: majianpeng <majianpeng@gmail.com>
commit 494ddd11be3e2621096bb425eed2886f8e8446d4 upstream.
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Reviewed-by: Sage Weil <sage@inktank.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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);
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