From: Nick Ewalt <nicholasew...@google.com>

The DMA direction supplied to dma_unmap_page should match the
corresponding dma_map_page call, which is mapped bi-directional.

Signed-off-by: Nick Ewalt <nicholasew...@google.com>
Signed-off-by: Todd Poynor <toddpoy...@google.com>
---
 drivers/staging/gasket/gasket_page_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/gasket/gasket_page_table.c 
b/drivers/staging/gasket/gasket_page_table.c
index e86bdc5fc79d2..8fe27e7d1b53c 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -612,7 +612,7 @@ static void gasket_perform_unmapping(struct 
gasket_page_table *pg_tbl,
                if (ptes[i].status == PTE_INUSE) {
                        if (ptes[i].dma_addr) {
                                dma_unmap_page(pg_tbl->device, ptes[i].dma_addr,
-                                              PAGE_SIZE, DMA_FROM_DEVICE);
+                                              PAGE_SIZE, DMA_BIDIRECTIONAL);
                        }
                        if (gasket_release_page(ptes[i].page))
                                --pg_tbl->num_active_pages;
-- 
2.19.0.397.gdd90340f6a-goog

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