1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/time.h b/include/linux/time.h
index 8c42cf8d2444..5989b0ead1ec 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -99,6 +99,19 @@ 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())