In i915_fence_get_driver_name(), user may not hold a
reference to rq->engine. Hence do not access it. Instead,
store required device private pointer in 'rq->i915' and use it.
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Suggested-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220614184348.23746-2-ramalingam.c@intel.com
static const char *i915_fence_get_driver_name(struct dma_fence *fence)
{
- return dev_name(to_request(fence)->engine->i915->drm.dev);
+ return dev_name(to_request(fence)->i915->drm.dev);
}
static const char *i915_fence_get_timeline_name(struct dma_fence *fence)
rq->engine = ce->engine;
rq->ring = ce->ring;
rq->execution_mask = ce->engine->mask;
+ rq->i915 = ce->engine->i915;
ret = intel_timeline_get_seqno(tl, rq, &seqno);
if (ret)
struct dma_fence fence;
spinlock_t lock;
+ struct drm_i915_private *i915;
+
/**
* Context and ring buffer related to this request
* Contexts are refcounted, so when this request is associated with a