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authorDave Airlie <airlied@redhat.com>2011-02-23 07:24:01 +0300
committerDave Airlie <airlied@redhat.com>2011-02-23 07:24:01 +0300
commita2c06ee2fe5b48a71e697bae00c6e7195fc016b6 (patch)
treeff1761280d173d8adc0a7e0339dc68fd44146c08 /include/drm/ttm
parent63871f89d158e3f3e469dde00dd15763d474cb3c (diff)
downloadlinux-a2c06ee2fe5b48a71e697bae00c6e7195fc016b6.tar.xz
Revert "ttm: Include the 'struct dev' when using the DMA API."
This reverts commit 5a893fc28f0393adb7c885a871b8c59e623fd528. This causes a use after free in the ttm free alloc pages path, when it tries to get the be after the be has been destroyed. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/ttm')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h1
-rw-r--r--include/drm/ttm/ttm_page_alloc.h8
2 files changed, 2 insertions, 7 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 38ff06822609..efed0820d9fa 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -551,7 +551,6 @@ struct ttm_bo_device {
struct list_head device_list;
struct ttm_bo_global *glob;
struct ttm_bo_driver *driver;
- struct device *dev;
rwlock_t vm_lock;
struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES];
spinlock_t fence_lock;
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index ccb6b7a240e2..8062890f725e 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -37,14 +37,12 @@
* @cstate: ttm caching state for the page.
* @count: number of pages to allocate.
* @dma_address: The DMA (bus) address of pages (if TTM_PAGE_FLAG_DMA32 set).
- * @dev: struct device for appropiate DMA accounting.
*/
int ttm_get_pages(struct list_head *pages,
int flags,
enum ttm_caching_state cstate,
unsigned count,
- dma_addr_t *dma_address,
- struct device *dev);
+ dma_addr_t *dma_address);
/**
* Put linked list of pages to pool.
*
@@ -54,14 +52,12 @@ int ttm_get_pages(struct list_head *pages,
* @flags: ttm flags for page allocation.
* @cstate: ttm caching state.
* @dma_address: The DMA (bus) address of pages (if TTM_PAGE_FLAG_DMA32 set).
- * @dev: struct device for appropiate DMA accounting.
*/
void ttm_put_pages(struct list_head *pages,
unsigned page_count,
int flags,
enum ttm_caching_state cstate,
- dma_addr_t *dma_address,
- struct device *dev);
+ dma_addr_t *dma_address);
/**
* Initialize pool allocator.
*/