[SCSI] lpfc 8.1.2: Added support for FAN

[linux-2.6-omap-h63xx.git] / kernel / time.c

diff --git a/kernel/time.c b/kernel/time.c
index 7477b1d2079e32a614ea82e6ae21fde3abe48373..804539165d8b1aea0ea0dac3631377d7ae107f89 100644 (file)
--- 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;
 }