diff options
| author | hselasky <hselasky@FreeBSD.org> | 2016-01-26 14:21:30 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2016-01-26 14:21:30 +0000 |
| commit | 71eec1d7860827138472dcd016ebfcf8e78dabd1 (patch) | |
| tree | 05e9143565d82150a7fc56a7fd30f2988658e0f3 /sys/compat | |
| parent | 553c3e5b93b8f8eb3af0e9dacbc97ebd2c332b62 (diff) | |
| download | FreeBSD-src-71eec1d7860827138472dcd016ebfcf8e78dabd1.zip FreeBSD-src-71eec1d7860827138472dcd016ebfcf8e78dabd1.tar.gz | |
Define __get_user() and __put_user() for the LinuxKPI.
MFC after: 1 week
Sponsored by: Mellanox Technologies
Diffstat (limited to 'sys/compat')
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/uaccess.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/uaccess.h b/sys/compat/linuxkpi/common/include/linux/uaccess.h index 87d1bab..e44024e 100644 --- a/sys/compat/linuxkpi/common/include/linux/uaccess.h +++ b/sys/compat/linuxkpi/common/include/linux/uaccess.h @@ -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))) |
