diff options
| -rw-r--r-- | block/blk-pm.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/block/blk-pm.c b/block/blk-pm.c index 0a028c189897..1adc1cd748b4 100644 --- a/block/blk-pm.c +++ b/block/blk-pm.c @@ -207,10 +207,12 @@ EXPORT_SYMBOL(blk_post_runtime_resume); */ void blk_set_runtime_active(struct request_queue *q) { - spin_lock_irq(&q->queue_lock); - q->rpm_status = RPM_ACTIVE; - pm_runtime_mark_last_busy(q->dev); - pm_request_autosuspend(q->dev); - spin_unlock_irq(&q->queue_lock); + if (q->dev) { + spin_lock_irq(&q->queue_lock); + q->rpm_status = RPM_ACTIVE; + pm_runtime_mark_last_busy(q->dev); + pm_request_autosuspend(q->dev); + spin_unlock_irq(&q->queue_lock); + } } EXPORT_SYMBOL(blk_set_runtime_active); |