diff options
| -rw-r--r-- | net/mac802154/driver-ops.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/mac802154/driver-ops.h b/net/mac802154/driver-ops.h index bb3ee03c1669..4b820cfeb538 100644 --- a/net/mac802154/driver-ops.h +++ b/net/mac802154/driver-ops.h @@ -30,6 +30,7 @@ static inline int drv_start(struct ieee802154_local *local) might_sleep(); local->started = true; + smp_mb(); return local->ops->start(&local->hw); } @@ -40,6 +41,12 @@ static inline void drv_stop(struct ieee802154_local *local) local->ops->stop(&local->hw); + /* sync away all work on the tasklet before clearing started */ + tasklet_disable(&local->tasklet); + tasklet_enable(&local->tasklet); + + barrier(); + local->started = false; } |