i915: do not read uninitialized ->dev_private

->dev_private at that point is NULL and is initialied only a few lines later.

---
I'm beginnig to dive into DRM&KMS, that assignment really confused me :P

 drivers/gpu/drm/i915/i915_dma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index a9f8589..648670d 100644
@@ -1578,7 +1578,7 @@ static void i915_get_mem_freq(struct drm_device *dev)
  */
 int i915_driver_load(struct drm_device *dev, unsigned long flags)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_private *dev_priv;
 	resource_size_t base, size;
 	int ret = 0, mmio_bar;
 	uint32_t agp_size, prealloc_size, prealloc_start;

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--

Applied. Thanks!

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