3.13.11.5 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
commit b6f4296279ab3ada554d993d12844272fd86b36a upstream.
Analog to git commit 28b92e09e25bdc0ae864b22eacf195a74f861389
first cast tk->wall_to_monotonic.tv_nsec to u64 before doing
the shift with tk->shift to avoid loosing relevant bits on a
32-bit kernel.
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
arch/s390/kernel/time.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index dd95f163..a80190b 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -226,7 +226,7 @@ void update_vsyscall(struct timekeeper *tk)
vdso_data->wtom_clock_sec =
tk->xtime_sec + tk->wall_to_monotonic.tv_sec;
vdso_data->wtom_clock_nsec = tk->xtime_nsec +
- + (tk->wall_to_monotonic.tv_nsec << tk->shift);
+ + ((u64) tk->wall_to_monotonic.tv_nsec << tk->shift);
nsecps = (u64) NSEC_PER_SEC << tk->shift;
while (vdso_data->wtom_clock_nsec >= nsecps) {
vdso_data->wtom_clock_nsec -= nsecps;
--
1.9.1
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