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Merge branch 'fortglx/3.19-stable/time' of https://git.linaro.org/people/john.stultz/linux into timers/urgent

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Pull urgent fixes from John Stultz:

  Two urgent fixes for user triggerable time related overflow issues
This commit is contained in:
Thomas Gleixner 2015-01-22 12:26:41 +01:00
commit 5fbaba8603
3 changed files with 24 additions and 0 deletions
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13
include/linux/time.h
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@ -110,6 +110,19 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
return true;
}
static inline bool timeval_valid(const struct timeval *tv)
{
/* Dates before 1970 are bogus */
if (tv->tv_sec < 0)
return false;
/* Can't have more microseconds then a second */
if (tv->tv_usec < 0 || tv->tv_usec >= USEC_PER_SEC)
return false;
return true;
}
extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
#define CURRENT_TIME (current_kernel_time())