net: socket: replace calls to sys_send() with __sys_sendto()

sys_send() merely expands the parameters to __sys_sendto() by NULL and 0.
Open-code this in the two places which used sys_send() as a wrapper to
__sys_sendto().

This patch is part of a series which removes in-kernel calls to syscalls.
On this basis, the syscall entry path can be streamlined. For details, see
http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net

Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

diff --git a/net/compat.c b/net/compat.c
index 5caa48987bb2ad53ad02725e8e4f5d87861573ad..d55982ff5c5905db46a4c905fc90d04872314b20 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -837,7 +837,7 @@ COMPAT_SYSCALL_DEFINE2(socketcall, int, call, u32 __user *, args)
                ret = __sys_socketpair(a0, a1, a[2], compat_ptr(a[3]));
                break;
        case SYS_SEND:
-               ret = sys_send(a0, compat_ptr(a1), a[2], a[3]);
+               ret = __sys_sendto(a0, compat_ptr(a1), a[2], a[3], NULL, 0);
                break;
        case SYS_SENDTO:
                ret = __sys_sendto(a0, compat_ptr(a1), a[2], a[3],

diff --git a/net/socket.c b/net/socket.c
index a70793a7ce78f2495e97dad50321c50cef542f99..92de21bb1a2ee0866081890df469d29646e821e0 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -2558,7 +2558,8 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
                err = __sys_socketpair(a0, a1, a[2], (int __user *)a[3]);
                break;
        case SYS_SEND:
-               err = sys_send(a0, (void __user *)a1, a[2], a[3]);
+               err = __sys_sendto(a0, (void __user *)a1, a[2], a[3],
+                                  NULL, 0);
                break;
        case SYS_SENDTO:
                err = __sys_sendto(a0, (void __user *)a1, a[2], a[3],