xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

time: Change k_clock clock_get() to use timespec64

Browse Source 
struct timespec is not y2038 safe on 32 bit machines.  Replace uses of
struct timespec with struct timespec64 in the kernel.

The syscall interfaces themselves will be changed in a separate series.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: y2038@lists.linaro.org
Cc: john.stultz@linaro.org
Cc: arnd@arndb.de
Link: http://lkml.kernel.org/r/1490555058-4603-4-git-send-email-deepa.kernel@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Deepa Dinamani
2017-03-26 12:04:14 -07:00
committed by Thomas Gleixner
parent d340266e19
commit 3c9c12f4b4
8 changed files with 41 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
kernel/time/posix-stubs.c
View File

@@ -64,14 +64,17 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock,
struct timespec __user *,tp)
{
struct timespec64 kernel_tp64;
struct timespec kernel_tp;
switch (which_clock) {
case CLOCK_REALTIME: ktime_get_real_ts(&kernel_tp); break;
case CLOCK_MONOTONIC: ktime_get_ts(&kernel_tp); break;
case CLOCK_BOOTTIME: get_monotonic_boottime(&kernel_tp); break;
case CLOCK_REALTIME: ktime_get_real_ts64(&kernel_tp64); break;
case CLOCK_MONOTONIC: ktime_get_ts64(&kernel_tp64); break;
case CLOCK_BOOTTIME: get_monotonic_boottime64(&kernel_tp64); break;
default: return -EINVAL;
}
kernel_tp = timespec64_to_timespec(kernel_tp64);
if (copy_to_user(tp, &kernel_tp, sizeof (kernel_tp)))
return -EFAULT;
return 0;