200 			       struct io_async_msghdr *iomsg)  in io_sendmsg_copy_hdr()  argument
205 	iomsg->msg.msg_name = &iomsg->addr;  in io_sendmsg_copy_hdr()
206 	iomsg->free_iov = iomsg->fast_iov;  in io_sendmsg_copy_hdr()
207 	ret = sendmsg_copy_msghdr(&iomsg->msg, sr->umsg, sr->msg_flags,  in io_sendmsg_copy_hdr()
208 					&iomsg->free_iov);  in io_sendmsg_copy_hdr()
210 	sr->msg_control = iomsg->msg.msg_control_user;  in io_sendmsg_copy_hdr()
297 	struct io_async_msghdr iomsg, *kmsg;  in io_sendmsg()  local
311 		ret = io_sendmsg_copy_hdr(req, &iomsg);  in io_sendmsg()
314 		kmsg = &iomsg;  in io_sendmsg()
430 static bool io_recvmsg_multishot_overflow(struct io_async_msghdr *iomsg)  in io_recvmsg_multishot_overflow()  argument
434 	if (iomsg->namelen < 0)  in io_recvmsg_multishot_overflow()
437 			       iomsg->namelen, &hdr))  in io_recvmsg_multishot_overflow()
439 	if (check_add_overflow(hdr, (int)iomsg->controllen, &hdr))  in io_recvmsg_multishot_overflow()
446 				 struct io_async_msghdr *iomsg)  in __io_recvmsg_copy_hdr()  argument
455 	ret = __copy_msghdr(&iomsg->msg, &msg, &iomsg->uaddr);  in __io_recvmsg_copy_hdr()
461 			sr->len = iomsg->fast_iov[0].iov_len = 0;  in __io_recvmsg_copy_hdr()
462 			iomsg->fast_iov[0].iov_base = NULL;  in __io_recvmsg_copy_hdr()
463 			iomsg->free_iov = NULL;  in __io_recvmsg_copy_hdr()
467 			if (copy_from_user(iomsg->fast_iov, msg.msg_iov, sizeof(*msg.msg_iov)))  in __io_recvmsg_copy_hdr()
469 			sr->len = iomsg->fast_iov[0].iov_len;  in __io_recvmsg_copy_hdr()
470 			iomsg->free_iov = NULL;  in __io_recvmsg_copy_hdr()
474 			iomsg->namelen = msg.msg_namelen;  in __io_recvmsg_copy_hdr()
475 			iomsg->controllen = msg.msg_controllen;  in __io_recvmsg_copy_hdr()
476 			if (io_recvmsg_multishot_overflow(iomsg))  in __io_recvmsg_copy_hdr()
480 		iomsg->free_iov = iomsg->fast_iov;  in __io_recvmsg_copy_hdr()
482 				     &iomsg->free_iov, &iomsg->msg.msg_iter,  in __io_recvmsg_copy_hdr()
493 					struct io_async_msghdr *iomsg)  in __io_compat_recvmsg_copy_hdr()  argument
503 	ret = __get_compat_msghdr(&iomsg->msg, &msg, &iomsg->uaddr);  in __io_compat_recvmsg_copy_hdr()
511 		iomsg->free_iov = NULL;  in __io_compat_recvmsg_copy_hdr()
527 			iomsg->namelen = msg.msg_namelen;  in __io_compat_recvmsg_copy_hdr()
528 			iomsg->controllen = msg.msg_controllen;  in __io_compat_recvmsg_copy_hdr()
529 			if (io_recvmsg_multishot_overflow(iomsg))  in __io_compat_recvmsg_copy_hdr()
533 		iomsg->free_iov = iomsg->fast_iov;  in __io_compat_recvmsg_copy_hdr()
535 				   UIO_FASTIOV, &iomsg->free_iov,  in __io_compat_recvmsg_copy_hdr()
536 				   &iomsg->msg.msg_iter, true);  in __io_compat_recvmsg_copy_hdr()
546 			       struct io_async_msghdr *iomsg)  in io_recvmsg_copy_hdr()  argument
548 	iomsg->msg.msg_name = &iomsg->addr;  in io_recvmsg_copy_hdr()
549 	iomsg->msg.msg_iter.nr_segs = 0;  in io_recvmsg_copy_hdr()
553 		return __io_compat_recvmsg_copy_hdr(req, iomsg);  in io_recvmsg_copy_hdr()
556 	return __io_recvmsg_copy_hdr(req, iomsg);  in io_recvmsg_copy_hdr()
761 	struct io_async_msghdr iomsg, *kmsg;  in io_recvmsg()  local
775 		ret = io_recvmsg_copy_hdr(req, &iomsg);  in io_recvmsg()
778 		kmsg = &iomsg;  in io_recvmsg()
1205 	struct io_async_msghdr iomsg, *kmsg;  in io_sendmsg_zc()  local
1221 		ret = io_sendmsg_copy_hdr(req, &iomsg);  in io_sendmsg_zc()
1224 		kmsg = &iomsg;  in io_sendmsg_zc()