Currently the leapsecond logic uses what looks like magic values.
Improve this by defining SECS_PER_DAY and using that macro
to make the logic more clear.
Cc: Prarit Bhargava <pra...@redhat.com>
Cc: Daniel Bristot de Oliveira <bris...@redhat.com>
Cc: Richard Cochran <richardcoch...@gmail.com>
Cc: Jan Kara <j...@suse.cz>
Cc: Jiri Bohac <jbo...@suse.cz>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Signed-off-by: John Stultz <john.stu...@linaro.org>
---
kernel/time/ntp.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 7a68100..7aa2161 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -35,6 +35,7 @@ unsigned long tick_nsec;
static u64 tick_length;
static u64 tick_length_base;
+#define SECS_PER_DAY 86400
#define MAX_TICKADJ 500LL /* usecs */
#define MAX_TICKADJ_SCALED \
(((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ)
@@ -390,7 +391,7 @@ int second_overflow(unsigned long secs)
case TIME_INS:
if (!(time_status & STA_INS))
time_state = TIME_OK;
- else if (secs % 86400 == 0) {
+ else if (secs % SECS_PER_DAY == 0) {
leap = -1;
time_state = TIME_OOP;
printk(KERN_NOTICE
@@ -400,7 +401,7 @@ int second_overflow(unsigned long secs)
case TIME_DEL:
if (!(time_status & STA_DEL))
time_state = TIME_OK;
- else if ((secs + 1) % 86400 == 0) {
+ else if ((secs + 1) % SECS_PER_DAY == 0) {
leap = 1;
time_state = TIME_WAIT;
printk(KERN_NOTICE
--
1.9.1
--
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