diff options
| -rw-r--r-- | drivers/rapidio/devices/rio_mport_cdev.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 0b85a80ae7ef..451608e960a1 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -572,14 +572,12 @@ static void dma_req_free(struct kref *ref) struct mport_dma_req *req = container_of(ref, struct mport_dma_req, refcount); struct mport_cdev_priv *priv = req->priv; - unsigned int i; dma_unmap_sg(req->dmach->device->dev, req->sgt.sgl, req->sgt.nents, req->dir); sg_free_table(&req->sgt); if (req->page_list) { - for (i = 0; i < req->nr_pages; i++) - put_page(req->page_list[i]); + unpin_user_pages(req->page_list, req->nr_pages); kfree(req->page_list); } @@ -815,7 +813,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, struct mport_dma_req *req; struct mport_dev *md = priv->md; struct dma_chan *chan; - int i, ret; + int ret; int nents; if (xfer->length == 0) @@ -862,7 +860,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, goto err_req; } - pinned = get_user_pages_fast( + pinned = pin_user_pages_fast( (unsigned long)xfer->loc_addr & PAGE_MASK, nr_pages, dir == DMA_FROM_DEVICE ? FOLL_WRITE : 0, @@ -870,7 +868,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, if (pinned != nr_pages) { if (pinned < 0) { - rmcd_error("get_user_pages_unlocked err=%ld", + rmcd_error("pin_user_pages_fast err=%ld", pinned); nr_pages = 0; } else @@ -951,8 +949,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, err_pg: if (!req->page_list) { - for (i = 0; i < nr_pages; i++) - put_page(page_list[i]); + unpin_user_pages(page_list, nr_pages); kfree(page_list); } err_req: |