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path: root/drivers/staging/kpc2000/kpc_dma
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Diffstat (limited to 'drivers/staging/kpc2000/kpc_dma')
-rw-r--r--drivers/staging/kpc2000/kpc_dma/fileops.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c
index 48ca88bc6b0b..f15e29209d55 100644
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -190,9 +190,7 @@ static int kpc_dma_transfer(struct dev_private_data *priv,
sg_free_table(&acd->sgt);
err_dma_map_sg:
err_alloc_sg_table:
- for (i = 0 ; i < acd->page_count ; i++) {
- put_page(acd->user_pages[i]);
- }
+ put_user_pages(acd->user_pages, acd->page_count);
err_get_user_pages:
kfree(acd->user_pages);
err_alloc_userpages:
@@ -211,16 +209,13 @@ void transfer_complete_cb(struct aio_cb_data *acd, size_t xfr_count, u32 flags)
BUG_ON(acd->ldev == NULL);
BUG_ON(acd->ldev->pldev == NULL);
- for (i = 0 ; i < acd->page_count ; i++) {
- if (!PageReserved(acd->user_pages[i])) {
- set_page_dirty(acd->user_pages[i]);
- }
- }
-
dma_unmap_sg(&acd->ldev->pldev->dev, acd->sgt.sgl, acd->sgt.nents, acd->ldev->dir);
- for (i = 0 ; i < acd->page_count ; i++) {
- put_page(acd->user_pages[i]);
+ for (i = 0; i < acd->page_count; i++) {
+ if (!PageReserved(acd->user_pages[i]))
+ put_user_pages_dirty(&acd->user_pages[i], 1);
+ else
+ put_user_page(acd->user_pages[i]);
}
sg_free_table(&acd->sgt);