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staging: gasket: fix data page unmap DMA direction
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 <nicholasewalt@google.com> Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -612,7 +612,7 @@ static void gasket_perform_unmapping(struct gasket_page_table *pg_tbl,
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if (ptes[i].status == PTE_INUSE) {
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if (ptes[i].status == PTE_INUSE) {
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if (ptes[i].dma_addr) {
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if (ptes[i].dma_addr) {
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dma_unmap_page(pg_tbl->device, ptes[i].dma_addr,
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dma_unmap_page(pg_tbl->device, ptes[i].dma_addr,
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PAGE_SIZE, DMA_FROM_DEVICE);
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PAGE_SIZE, DMA_BIDIRECTIONAL);
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}
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}
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if (gasket_release_page(ptes[i].page))
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if (gasket_release_page(ptes[i].page))
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--pg_tbl->num_active_pages;
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--pg_tbl->num_active_pages;
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