133 int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)  in __scm_send()  argument
138 	for_each_cmsghdr(cmsg, msg) {  in __scm_send()
149 		if (!CMSG_OK(msg, cmsg))  in __scm_send()
215 int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)  in put_cmsg()  argument
218 		= (__force struct cmsghdr __user *)msg->msg_control;  in put_cmsg()
223 	if (MSG_CMSG_COMPAT & msg->msg_flags)  in put_cmsg()
224 		return put_cmsg_compat(msg, level, type, len, data);  in put_cmsg()
226 	if (cm==NULL || msg->msg_controllen < sizeof(*cm)) {  in put_cmsg()
227 		msg->msg_flags |= MSG_CTRUNC;  in put_cmsg()
230 	if (msg->msg_controllen < cmlen) {  in put_cmsg()
231 		msg->msg_flags |= MSG_CTRUNC;  in put_cmsg()
232 		cmlen = msg->msg_controllen;  in put_cmsg()
244 	if (msg->msg_controllen < cmlen)  in put_cmsg()
245 		cmlen = msg->msg_controllen;  in put_cmsg()
246 	msg->msg_control += cmlen;  in put_cmsg()
247 	msg->msg_controllen -= cmlen;  in put_cmsg()
254 void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)  in scm_detach_fds()  argument
257 		= (__force struct cmsghdr __user*)msg->msg_control;  in scm_detach_fds()
265 	if (MSG_CMSG_COMPAT & msg->msg_flags) {  in scm_detach_fds()
266 		scm_detach_fds_compat(msg, scm);  in scm_detach_fds()
270 	if (msg->msg_controllen > sizeof(struct cmsghdr))  in scm_detach_fds()
271 		fdmax = ((msg->msg_controllen - sizeof(struct cmsghdr))  in scm_detach_fds()
285 		err = get_unused_fd_flags(MSG_CMSG_CLOEXEC & msg->msg_flags  in scm_detach_fds()
314 			if (msg->msg_controllen < cmlen)  in scm_detach_fds()
315 				cmlen = msg->msg_controllen;  in scm_detach_fds()
316 			msg->msg_control += cmlen;  in scm_detach_fds()
317 			msg->msg_controllen -= cmlen;  in scm_detach_fds()
321 		msg->msg_flags |= MSG_CTRUNC;  in scm_detach_fds()