summaryrefslogtreecommitdiff
path: root/kernel/time/hrtimer.c
diff options
context:
space:
mode:
authorDeepa Dinamani <deepa.kernel@gmail.com>2017-03-26 12:04:18 -0700
committerThomas Gleixner <tglx@linutronix.de>2017-04-14 21:49:56 +0200
commitad19638463a4b5c909fcebf0f19358c4bf4fed48 (patch)
treeea350bf5e4049cdeda277641461a18f20cf06827 /kernel/time/hrtimer.c
parent5f252b325625c13db1dbc76ac6cdb49ee3bd062e (diff)
downloadlinux-ad19638463a4b5c909fcebf0f19358c4bf4fed48.tar.gz
time: Change k_clock nsleep() to use timespec64
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. Note that the restart_block parameter for nanosleep has also been left unchanged and will be part of syscall series noted above. 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/1490555058-4603-8-git-send-email-deepa.kernel@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/hrtimer.c')
-rw-r--r--kernel/time/hrtimer.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 1ef82cdb61ff..a7560123617c 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1503,7 +1503,7 @@ out:
return ret;
}
-long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
+long hrtimer_nanosleep(struct timespec64 *rqtp, struct timespec __user *rmtp,
const enum hrtimer_mode mode, const clockid_t clockid)
{
struct restart_block *restart;
@@ -1516,7 +1516,7 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
slack = 0;
hrtimer_init_on_stack(&t.timer, clockid, mode);
- hrtimer_set_expires_range_ns(&t.timer, timespec_to_ktime(*rqtp), slack);
+ hrtimer_set_expires_range_ns(&t.timer, timespec64_to_ktime(*rqtp), slack);
if (do_nanosleep(&t, mode))
goto out;
@@ -1547,15 +1547,17 @@ out:
SYSCALL_DEFINE2(nanosleep, struct timespec __user *, rqtp,
struct timespec __user *, rmtp)
{
+ struct timespec64 tu64;
struct timespec tu;
if (copy_from_user(&tu, rqtp, sizeof(tu)))
return -EFAULT;
- if (!timespec_valid(&tu))
+ tu64 = timespec_to_timespec64(tu);
+ if (!timespec64_valid(&tu64))
return -EINVAL;
- return hrtimer_nanosleep(&tu, rmtp, HRTIMER_MODE_REL, CLOCK_MONOTONIC);
+ return hrtimer_nanosleep(&tu64, rmtp, HRTIMER_MODE_REL, CLOCK_MONOTONIC);
}
/*