From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sun, 14 Jun 2009 22:38:50 +0000 (+0200)
Subject: firewire: core: fix DMA unmapping in iso buffer removal
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=29ad14cddd6246d17ff22f496363dfd6b3de8964;p=deliverable%2Flinux.git

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 448ddd7d887b..166f19c6d38d 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -71,7 +71,7 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
 	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 @@ void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer,
 	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]);
 	}