3.8.13.10 -stable review patch. If anyone has any objections, please let me know. ------------------ From: majianpeng <majianpeng@xxxxxxxxx> commit 494ddd11be3e2621096bb425eed2886f8e8446d4 upstream. Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx> Reviewed-by: Sage Weil <sage@xxxxxxxxxxx> Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx> --- fs/ceph/ioctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c index 36549a4..c171111 100644 --- a/fs/ceph/ioctl.c +++ b/fs/ceph/ioctl.c @@ -197,8 +197,10 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg) 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); -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html