Date: Tue, 26 Jan 2016 14:21:31 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r294825 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <201601261421.u0QELVcm044213@repo.freebsd.org>
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Author: hselasky Date: Tue Jan 26 14:21:30 2016 New Revision: 294825 URL: https://svnweb.freebsd.org/changeset/base/294825 Log: Define __get_user() and __put_user() for the LinuxKPI. MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/include/linux/uaccess.h Modified: head/sys/compat/linuxkpi/common/include/linux/uaccess.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/uaccess.h Tue Jan 26 14:20:25 2016 (r294824) +++ head/sys/compat/linuxkpi/common/include/linux/uaccess.h Tue Jan 26 14:21:30 2016 (r294825) @@ -2,7 +2,7 @@ * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. - * Copyright (c) 2013-2015 Mellanox Technologies, Ltd. + * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. * Copyright (c) 2015 François Tigeot * All rights reserved. * @@ -34,6 +34,17 @@ #include <linux/compiler.h> +#define __get_user(_x, _p) ({ \ + int __err; \ + __typeof(*(_p)) __x; \ + __err = -copyin((_p), &(__x), sizeof(*(_p))); \ + (_x) = __x; \ + __err; \ +}) +#define __put_user(_x, _p) ({ \ + __typeof(*(_p)) __x = (_x); \ + -copyout(&(__x), (_p), sizeof(*(_p))); \ +}) #define get_user(_x, _p) -copyin((_p), &(_x), sizeof(*(_p))) #define put_user(_x, _p) -copyout(&(_x), (_p), sizeof(*(_p)))
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