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Diffstat (limited to 'kernel/time.c')
-rw-r--r--kernel/time.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/time.c b/kernel/time.c
index 7477b1d2079e..804539165d8b 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -155,7 +155,7 @@ int do_sys_settimeofday(struct timespec *tv, struct timezone *tz)
static int firsttime = 1;
int error = 0;
- if (!timespec_valid(tv))
+ if (tv && !timespec_valid(tv))
return -EINVAL;
error = security_settime(tv, tz);
@@ -637,15 +637,16 @@ void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec)
*
* Returns the timespec representation of the nsec parameter.
*/
-inline struct timespec ns_to_timespec(const nsec_t nsec)
+struct timespec ns_to_timespec(const nsec_t nsec)
{
struct timespec ts;
- if (nsec)
- ts.tv_sec = div_long_long_rem_signed(nsec, NSEC_PER_SEC,
- &ts.tv_nsec);
- else
- ts.tv_sec = ts.tv_nsec = 0;
+ if (!nsec)
+ return (struct timespec) {0, 0};
+
+ ts.tv_sec = div_long_long_rem_signed(nsec, NSEC_PER_SEC, &ts.tv_nsec);
+ if (unlikely(nsec < 0))
+ set_normalized_timespec(&ts, ts.tv_sec, ts.tv_nsec);
return ts;
}