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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-22 12:26:41 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-22 12:28:02 +0100 |
| commit | 5fbaba8603d5bbc9e40bcb970bae64cb7e093755 (patch) | |
| tree | bcffaa86c7be757ab4c34283d9b6ec8643101dd9 /include/linux/time.h | |
| parent | f2a5473861cf69c03d0f0ee5d0ea1b853b9e582e (diff) | |
| parent | 5e5aeb4367b450a28f447f6d5ab57d8f2ab16a5f (diff) | |
Merge branch 'fortglx/3.19-stable/time' of https://git.linaro.org/people/john.stultz/linux into timers/urgent
Pull urgent fixes from John Stultz:
Two urgent fixes for user triggerable time related overflow issues
Diffstat (limited to 'include/linux/time.h')
| -rw-r--r-- | include/linux/time.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index 203c2ad40d71..beebe3a02d43 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -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()) |