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ttm: on move memory failure don't leave a node dangling 

if we have a move notify callback, when moving fails, we call move notify
the opposite way around, however this ends up with *mem containing the mm_node
from the bo, which means we double free it. This is a follow on to the previous
fix.

Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2013-01-16 15:58:34 +10:00 committed by Dave Airlie
parent 630541863b
commit 014b34409f
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/ttm/ttm_bo.c
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@ -434,6 +434,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
bo->mem = tmp_mem;
bdev->driver->move_notify(bo, mem);
bo->mem = *mem;
*mem = tmp_mem;
}
goto out_err;