diff options
Diffstat (limited to 'drivers/dma/idxd/cdev.c')
-rw-r--r-- | drivers/dma/idxd/cdev.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index 19a58c4ecef3..8b27bd545685 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -354,7 +354,9 @@ static void idxd_cdev_evl_drain_pasid(struct idxd_wq *wq, u32 pasid) set_bit(h, evl->bmap); h = (h + 1) % size; } - drain_workqueue(wq->wq); + if (wq->wq) + drain_workqueue(wq->wq); + mutex_unlock(&evl->lock); } |