124 static int sock_fasync(int fd, struct file *filp, int on);
415 	int fd = get_unused_fd_flags(flags);  in sock_map_fd()  local
416 	if (unlikely(fd < 0)) {  in sock_map_fd()
418 		return fd;  in sock_map_fd()
423 		fd_install(fd, newfile);  in sock_map_fd()
424 		return fd;  in sock_map_fd()
427 	put_unused_fd(fd);  in sock_map_fd()
462 struct socket *sockfd_lookup(int fd, int *err)  in sockfd_lookup()  argument
467 	file = fget(fd);  in sockfd_lookup()
480 static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)  in sockfd_lookup_light()  argument
482 	struct fd f = fdget(fd);  in sockfd_lookup_light()
1284 static int sock_fasync(int fd, struct file *filp, int on)  in sock_fasync()  argument
1294 	fasync_helper(fd, filp, on, &wq->fasync_list);  in sock_fasync()
1634 int __sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen)  in __sys_bind()  argument
1640 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_bind()
1657 SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)  in SYSCALL_DEFINE3()  argument
1659 	return __sys_bind(fd, umyaddr, addrlen);  in SYSCALL_DEFINE3()
1668 int __sys_listen(int fd, int backlog)  in __sys_listen()  argument
1674 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_listen()
1689 SYSCALL_DEFINE2(listen, int, fd, int, backlog)  in SYSCALL_DEFINE2()  argument
1691 	return __sys_listen(fd, backlog);  in SYSCALL_DEFINE2()
1706 int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr,  in __sys_accept4()  argument
1720 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_accept4()
1787 SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,  in SYSCALL_DEFINE4()  argument
1790 	return __sys_accept4(fd, upeer_sockaddr, upeer_addrlen, flags);  in SYSCALL_DEFINE4()
1793 SYSCALL_DEFINE3(accept, int, fd, struct sockaddr __user *, upeer_sockaddr,  in SYSCALL_DEFINE3()  argument
1796 	return __sys_accept4(fd, upeer_sockaddr, upeer_addrlen, 0);  in SYSCALL_DEFINE3()
1811 int __sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen)  in __sys_connect()  argument
1817 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_connect()
1837 SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,  in SYSCALL_DEFINE3()  argument
1840 	return __sys_connect(fd, uservaddr, addrlen);  in SYSCALL_DEFINE3()
1848 int __sys_getsockname(int fd, struct sockaddr __user *usockaddr,  in __sys_getsockname()  argument
1855 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_getsockname()
1875 SYSCALL_DEFINE3(getsockname, int, fd, struct sockaddr __user *, usockaddr,  in SYSCALL_DEFINE3()  argument
1878 	return __sys_getsockname(fd, usockaddr, usockaddr_len);  in SYSCALL_DEFINE3()
1886 int __sys_getpeername(int fd, struct sockaddr __user *usockaddr,  in __sys_getpeername()  argument
1893 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_getpeername()
1911 SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr,  in SYSCALL_DEFINE3()  argument
1914 	return __sys_getpeername(fd, usockaddr, usockaddr_len);  in SYSCALL_DEFINE3()
1922 int __sys_sendto(int fd, void __user *buff, size_t len, unsigned int flags,  in __sys_sendto()  argument
1935 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_sendto()
1961 SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,  in SYSCALL_DEFINE6()  argument
1965 	return __sys_sendto(fd, buff, len, flags, addr, addr_len);  in SYSCALL_DEFINE6()
1972 SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,  in SYSCALL_DEFINE4()  argument
1975 	return __sys_sendto(fd, buff, len, flags, NULL, 0);  in SYSCALL_DEFINE4()
1983 int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags,  in __sys_recvfrom()  argument
1996 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_recvfrom()
2024 SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,  in SYSCALL_DEFINE6()  argument
2028 	return __sys_recvfrom(fd, ubuf, size, flags, addr, addr_len);  in SYSCALL_DEFINE6()
2035 SYSCALL_DEFINE4(recv, int, fd, void __user *, ubuf, size_t, size,  in SYSCALL_DEFINE4()  argument
2038 	return __sys_recvfrom(fd, ubuf, size, flags, NULL, NULL);  in SYSCALL_DEFINE4()
2046 static int __sys_setsockopt(int fd, int level, int optname,  in __sys_setsockopt()  argument
2057 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_setsockopt()
2098 SYSCALL_DEFINE5(setsockopt, int, fd, int, level, int, optname,  in SYSCALL_DEFINE5()  argument
2101 	return __sys_setsockopt(fd, level, optname, optval, optlen);  in SYSCALL_DEFINE5()
2109 static int __sys_getsockopt(int fd, int level, int optname,  in __sys_getsockopt()  argument
2116 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_getsockopt()
2142 SYSCALL_DEFINE5(getsockopt, int, fd, int, level, int, optname,  in SYSCALL_DEFINE5()  argument
2145 	return __sys_getsockopt(fd, level, optname, optval, optlen);  in SYSCALL_DEFINE5()
2152 int __sys_shutdown(int fd, int how)  in __sys_shutdown()  argument
2157 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_shutdown()
2167 SYSCALL_DEFINE2(shutdown, int, fd, int, how)  in SYSCALL_DEFINE2()  argument
2169 	return __sys_shutdown(fd, how);  in SYSCALL_DEFINE2()
2384 long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned int flags,  in __sys_sendmsg()  argument
2394 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_sendmsg()
2405 SYSCALL_DEFINE3(sendmsg, int, fd, struct user_msghdr __user *, msg, unsigned int, flags)  in SYSCALL_DEFINE3()  argument
2407 	return __sys_sendmsg(fd, msg, flags, true);  in SYSCALL_DEFINE3()
2414 int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,  in __sys_sendmmsg()  argument
2433 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_sendmmsg()
2481 SYSCALL_DEFINE4(sendmmsg, int, fd, struct mmsghdr __user *, mmsg,  in SYSCALL_DEFINE4()  argument
2484 	return __sys_sendmmsg(fd, mmsg, vlen, flags, true);  in SYSCALL_DEFINE4()
2604 long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned int flags,  in __sys_recvmsg()  argument
2614 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in __sys_recvmsg()
2625 SYSCALL_DEFINE3(recvmsg, int, fd, struct user_msghdr __user *, msg,  in SYSCALL_DEFINE3()  argument
2628 	return __sys_recvmsg(fd, msg, flags, true);  in SYSCALL_DEFINE3()
2635 static int do_recvmmsg(int fd, struct mmsghdr __user *mmsg,  in do_recvmmsg()  argument
2654 	sock = sockfd_lookup_light(fd, &err, &fput_needed);  in do_recvmmsg()
2746 int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg,  in __sys_recvmmsg()  argument
2761 		return do_recvmmsg(fd, mmsg, vlen, flags, NULL);  in __sys_recvmmsg()
2763 	datagrams = do_recvmmsg(fd, mmsg, vlen, flags, &timeout_sys);  in __sys_recvmmsg()
2777 SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,  in SYSCALL_DEFINE5()  argument
2784 	return __sys_recvmmsg(fd, mmsg, vlen, flags, timeout, NULL);  in SYSCALL_DEFINE5()
2788 SYSCALL_DEFINE5(recvmmsg_time32, int, fd, struct mmsghdr __user *, mmsg,  in SYSCALL_DEFINE5()  argument
2795 	return __sys_recvmmsg(fd, mmsg, vlen, flags, NULL, timeout);  in SYSCALL_DEFINE5()