From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Just two WARN_ONs followed by pointer dereference I spotted by accident.
v2: Remove some more of the same.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> (v1)
---
drivers/gpu/drm/i915/i915_gem.c | 10 ++--------
drivers/gpu/drm/i915/intel_lrc.c | 2 --
drivers/gpu/drm/i915/intel_ringbuffer.c | 7 +------
3 files changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6ce2c31b9a81..a14a98341a4b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1444,18 +1444,13 @@ __i915_gem_request_retire__upto(struct drm_i915_gem_request *req)
int
i915_wait_request(struct drm_i915_gem_request *req)
{
- struct drm_device *dev;
- struct drm_i915_private *dev_priv;
+ struct drm_i915_private *dev_priv = req->i915;
bool interruptible;
int ret;
- BUG_ON(req == NULL);
-
- dev = req->engine->dev;
- dev_priv = dev->dev_private;
interruptible = dev_priv->mm.interruptible;
- BUG_ON(!mutex_is_locked(&dev->struct_mutex));
+ BUG_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
ret = __i915_wait_request(req, interruptible, NULL, NULL);
if (ret)
@@ -4355,7 +4350,6 @@ i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object *obj,
{
struct i915_vma *vma = i915_gem_obj_to_ggtt_view(obj, view);
- BUG_ON(!vma);
WARN_ON(vma->pin_count == 0);
WARN_ON(!i915_gem_obj_ggtt_bound_view(obj, view));
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 1562a75ac9d1..6179b591ee84 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -892,8 +892,6 @@ int intel_logical_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
{
int ret;
- WARN_ON(req == NULL);
-
ret = logical_ring_prepare(req, num_dwords * sizeof(uint32_t));
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 0d24494904ef..fa2dd7a9632e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -2489,14 +2489,9 @@ static int __intel_ring_prepare(struct intel_engine_cs *engine, int bytes)
int intel_ring_begin(struct drm_i915_gem_request *req,
int num_dwords)
{
- struct intel_engine_cs *engine;
- struct drm_i915_private *dev_priv;
+ struct intel_engine_cs *engine = req->engine;
int ret;
- WARN_ON(req == NULL);
- engine = req->engine;
- dev_priv = req->i915;
-
ret = __intel_ring_prepare(engine, num_dwords * sizeof(uint32_t));
if (ret)
return ret;
--
1.9.1
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