diff options
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/sleep_timeout.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/time/sleep_timeout.c b/kernel/time/sleep_timeout.c index f3f246e4c8d1..3054e5232d20 100644 --- a/kernel/time/sleep_timeout.c +++ b/kernel/time/sleep_timeout.c @@ -364,6 +364,9 @@ void __sched usleep_range_state(unsigned long min, unsigned long max, unsigned i ktime_t exp = ktime_add_us(ktime_get(), min); u64 delta = (u64)(max - min) * NSEC_PER_USEC; + if (WARN_ON_ONCE(max < min)) + delta = 0; + for (;;) { __set_current_state(state); /* Do not return before the requested sleep time has elapsed */ |