diff options
| author | Dave Airlie <airlied@redhat.com> | 2011-02-23 14:24:01 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-02-23 14:24:01 +1000 |
| commit | a2c06ee2fe5b48a71e697bae00c6e7195fc016b6 (patch) | |
| tree | ff1761280d173d8adc0a7e0339dc68fd44146c08 /include/drm | |
| parent | 63871f89d158e3f3e469dde00dd15763d474cb3c (diff) | |
| download | lwn-a2c06ee2fe5b48a71e697bae00c6e7195fc016b6.tar.gz lwn-a2c06ee2fe5b48a71e697bae00c6e7195fc016b6.zip | |
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')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 1 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 8 |
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. */ |