From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753237AbeC2L2i (ORCPT ); Thu, 29 Mar 2018 07:28:38 -0400 Received: from isilmar-4.linta.de ([136.243.71.142]:59720 "EHLO isilmar-4.linta.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752958AbeC2L03 (ORCPT ); Thu, 29 Mar 2018 07:26:29 -0400 From: Dominik Brodowski To: linux-kernel@vger.kernel.org Cc: viro@ZenIV.linux.org.uk, torvalds@linux-foundation.org, arnd@arndb.de, linux-arch@vger.kernel.org, "David S . Miller" , netdev@vger.kernel.org Subject: [PATCH 024/109] net: socket: replace call to sys_recv() with __sys_recvfrom() Date: Thu, 29 Mar 2018 13:23:01 +0200 Message-Id: <20180329112426.23043-25-linux@dominikbrodowski.net> X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180329112426.23043-1-linux@dominikbrodowski.net> References: <20180329112426.23043-1-linux@dominikbrodowski.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sys_recv() merely expands the parameters to __sys_recvfrom() by NULL and NULL. Open-code this in the two places which used sys_recv() as a wrapper to __sys_recvfrom(). 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 Cc: netdev@vger.kernel.org Signed-off-by: Dominik Brodowski --- net/compat.c | 3 ++- net/socket.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/net/compat.c b/net/compat.c index d55982ff5c59..9e0d030063ad 100644 --- a/net/compat.c +++ b/net/compat.c @@ -755,7 +755,8 @@ COMPAT_SYSCALL_DEFINE3(recvmsg, int, fd, struct compat_msghdr __user *, msg, uns COMPAT_SYSCALL_DEFINE4(recv, int, fd, void __user *, buf, compat_size_t, len, unsigned int, flags) { - return sys_recv(fd, buf, len, flags | MSG_CMSG_COMPAT); + return __sys_recvfrom(fd, buf, len, flags | MSG_CMSG_COMPAT, NULL, + NULL); } COMPAT_SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, buf, compat_size_t, len, diff --git a/net/socket.c b/net/socket.c index 92de21bb1a2e..03702f08aa62 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2566,7 +2566,8 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args) (struct sockaddr __user *)a[4], a[5]); break; case SYS_RECV: - err = sys_recv(a0, (void __user *)a1, a[2], a[3]); + err = __sys_recvfrom(a0, (void __user *)a1, a[2], a[3], + NULL, NULL); break; case SYS_RECVFROM: err = __sys_recvfrom(a0, (void __user *)a1, a[2], a[3], -- 2.16.3