Lines Matching refs:cm
272 struct cmsghdr __user *cm = msg->msg_control_user; in put_cmsg() local
274 check_object_size(data, cmlen - sizeof(*cm), true); in put_cmsg()
276 if (!user_write_access_begin(cm, cmlen)) in put_cmsg()
279 unsafe_put_user(cmlen, &cm->cmsg_len, efault_end); in put_cmsg()
280 unsafe_put_user(level, &cm->cmsg_level, efault_end); in put_cmsg()
281 unsafe_put_user(type, &cm->cmsg_type, efault_end); in put_cmsg()
282 unsafe_copy_to_user(CMSG_USER_DATA(cm), data, in put_cmsg()
283 cmlen - sizeof(*cm), efault_end); in put_cmsg()
286 struct cmsghdr *cm = msg->msg_control; in put_cmsg() local
288 cm->cmsg_level = level; in put_cmsg()
289 cm->cmsg_type = type; in put_cmsg()
290 cm->cmsg_len = cmlen; in put_cmsg()
291 memcpy(CMSG_DATA(cm), data, cmlen - sizeof(*cm)); in put_cmsg()
356 struct cmsghdr __user *cm = in scm_detach_fds() local
360 int __user *cmsg_data = CMSG_USER_DATA(cm); in scm_detach_fds()
381 err = put_user(SOL_SOCKET, &cm->cmsg_level); in scm_detach_fds()
383 err = put_user(SCM_RIGHTS, &cm->cmsg_type); in scm_detach_fds()
385 err = put_user(cmlen, &cm->cmsg_len); in scm_detach_fds()