i915 compat ioctl(): just use drm_ioctl_kernel() (fd7cd8da) · Commits · 戴 / test

drivers/gpu/drm/i915/i915_ioc32.c

+5 −9

Original line number	Diff line number	Diff line
		@@ -47,20 +47,16 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd,
		unsigned long arg)
		{
		struct drm_i915_getparam32 req32;
		drm_i915_getparam_t __user *request;
		struct drm_i915_getparam req;

		if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
		return -EFAULT;

		request = compat_alloc_user_space(sizeof(*request));
		if (!access_ok(request, sizeof(*request)) \|\|
		__put_user(req32.param, &request->param) \|\|
		__put_user((void __user *)(unsigned long)req32.value,
		&request->value))
		return -EFAULT;
		req.param = req32.param;
		req.value = compat_ptr(req32.value);

		return drm_ioctl(file, DRM_IOCTL_I915_GETPARAM,
		(unsigned long)request);
		return drm_ioctl_kernel(file, i915_getparam_ioctl, &req,
		DRM_RENDER_ALLOW);
		}

		static drm_ioctl_compat_t *i915_compat_ioctls[] = {