firewire: core: fix DMA unmapping in iso buffer removal
dmap_unmap_page() shall use the same direction as dma_map_page().
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 448ddd7..166f19c 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -71,7 +71,7 @@
for (j = 0; j < i; j++) {
address = page_private(buffer->pages[j]);
dma_unmap_page(card->device, address,
- PAGE_SIZE, DMA_TO_DEVICE);
+ PAGE_SIZE, direction);
__free_page(buffer->pages[j]);
}
kfree(buffer->pages);
@@ -108,7 +108,7 @@
for (i = 0; i < buffer->page_count; i++) {
address = page_private(buffer->pages[i]);
dma_unmap_page(card->device, address,
- PAGE_SIZE, DMA_TO_DEVICE);
+ PAGE_SIZE, buffer->direction);
__free_page(buffer->pages[i]);
}