diff options
Diffstat (limited to 'drivers/ntb/ntb_transport.c')
| -rw-r--r-- | drivers/ntb/ntb_transport.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 777436c..f6aae0f 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -1233,18 +1233,18 @@ static void ntb_async_rx(struct ntb_queue_entry *entry, void *offset) goto err; if (len < copy_bytes) - goto err_wait; + goto err; device = chan->device; pay_off = (size_t)offset & ~PAGE_MASK; buff_off = (size_t)buf & ~PAGE_MASK; if (!is_dma_copy_aligned(device, pay_off, buff_off, len)) - goto err_wait; + goto err; unmap = dmaengine_get_unmap_data(device->dev, 2, GFP_NOWAIT); if (!unmap) - goto err_wait; + goto err; unmap->len = len; unmap->addr[0] = dma_map_page(device->dev, virt_to_page(offset), @@ -1287,12 +1287,6 @@ err_set_unmap: dmaengine_unmap_put(unmap); err_get_unmap: dmaengine_unmap_put(unmap); -err_wait: - /* If the callbacks come out of order, the writing of the index to the - * last completed will be out of order. This may result in the - * receive stalling forever. - */ - dma_sync_wait(chan, qp->last_cookie); err: ntb_memcpy_rx(entry, offset); qp->rx_memcpy++; |
