diff options
| author |   Baolin Wang <baolin.wang@linaro.org> | 2016-04-08 14:02:12 +0800 |
|---|---|---|
| committer |   John Stultz <john.stultz@linaro.org> | 2016-04-22 11:49:04 -0700 |
| commit | 86d3473224b004f920c107206d181d37db735145 (patch) | |
| tree | 3c3f646ec0d3947a9b3784b1b1d42bc167e9893c /include/linux/timekeeping.h | |
| parent | security: Introduce security_settime64() (diff) | |
| download | linux-dev-86d3473224b004f920c107206d181d37db735145.tar.xz linux-dev-86d3473224b004f920c107206d181d37db735145.zip | |
time: Introduce do_sys_settimeofday64()
The do_sys_settimeofday() function uses a timespec, which is not year
2038 safe on 32bit systems.
Thus this patch introduces do_sys_settimeofday64(), which allows us to
transition users of do_sys_settimeofday() to using 64bit time types.
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
[jstultz: Include errno-base.h to avoid build issue on some arches]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/timekeeping.h')
| -rw-r--r-- | include/linux/timekeeping.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 96f37bee3bc1..37dbacf84849 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -1,6 +1,8 @@ #ifndef _LINUX_TIMEKEEPING_H #define _LINUX_TIMEKEEPING_H +#include <asm-generic/errno-base.h> + /* Included from linux/ktime.h */ void timekeeping_init(void); @@ -11,8 +13,19 @@ extern int timekeeping_suspended; */ extern void do_gettimeofday(struct timeval *tv); extern int do_settimeofday64(const struct timespec64 *ts); -extern int do_sys_settimeofday(const struct timespec *tv, - const struct timezone *tz); +extern int do_sys_settimeofday64(const struct timespec64 *tv, + const struct timezone *tz); +static inline int do_sys_settimeofday(const struct timespec *tv, + const struct timezone *tz) +{ + struct timespec64 ts64; + + if (!tv) + return -EINVAL; + + ts64 = timespec_to_timespec64(*tv); + return do_sys_settimeofday64(&ts64, tz); +} /* * Kernel time accessors |