'delta' is used only inside the 'if' block and must be accessible within that. So, move its definition inside the 'if' block.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- kernel/time/tick-sched.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index c3aed50..8e75c13 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -412,10 +412,9 @@ static void update_ts_time_stats(int cpu, struct tick_sched *ts, ktime_t now, u64 *last_update_time) { - ktime_t delta; - if (ts->idle_active) { - delta = ktime_sub(now, ts->idle_entrytime); + ktime_t delta = ktime_sub(now, ts->idle_entrytime); + if (nr_iowait_cpu(cpu) > 0) ts->iowait_sleeptime = ktime_add(ts->iowait_sleeptime, delta);