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drm/i915: dereferencing an error pointer
We need to check that "ctx" is a valid pointer before dereferencing it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -497,11 +497,13 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
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ctx = create_hw_context(dev, file_priv);
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mutex_unlock(&dev->struct_mutex);
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if (IS_ERR(ctx))
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return PTR_ERR(ctx);
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args->ctx_id = ctx->id;
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DRM_DEBUG_DRIVER("HW context %d created\n", args->ctx_id);
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return PTR_RET(ctx);
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return 0;
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}
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int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
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