C++ (Cpp) kgsl_ioctl_gpumem_alloc_idの例

コード例 #1

ファイル: kgsl_compat.c プロジェクト: moonlightly/NX523J_kernel

static long
kgsl_ioctl_gpumem_alloc_id_compat(struct kgsl_device_private *dev_priv,
			unsigned int cmd, void *data)
{
	int result = 0;
	struct kgsl_gpumem_alloc_id_compat *param32 = data;
	struct kgsl_gpumem_alloc_id param;

	param.id = param32->id;
	param.flags = param32->flags;
	param.size = (size_t)param32->size;
	param.mmapsize = (size_t)param32->mmapsize;
	param.gpuaddr = (unsigned long)param32->gpuaddr;

	/*
	 * Since this is a 32 bit application the page aligned size is expected
	 * to fit inside of 32 bits - check for overflow and return error if so
	 */
	if (PAGE_ALIGN(param.size) >= UINT_MAX)
		return -EINVAL;

	result = kgsl_ioctl_gpumem_alloc_id(dev_priv, cmd, &param);

	param32->id = param.id;
	param32->flags = param.flags;
	param32->size = sizet_to_compat(param.size);
	param32->mmapsize = sizet_to_compat(param.mmapsize);
	param32->gpuaddr = gpuaddr_to_compat(param.gpuaddr);

	return result;
}

コード例 #2

ファイル: kgsl_compat.c プロジェクト: AudioGod/Gods_kernel_yu_msm8916

static long
kgsl_ioctl_gpumem_alloc_id_compat(struct kgsl_device_private *dev_priv,
			unsigned int cmd, void *data)
{
	int result = 0;
	struct kgsl_gpumem_alloc_id_compat *param32 = data;
	struct kgsl_gpumem_alloc_id param;

	param.id = param32->id;
	param.flags = param32->flags;
	param.size = (size_t)param32->size;
	param.mmapsize = (size_t)param32->mmapsize;
	param.gpuaddr = (unsigned long)param32->gpuaddr;

	result = kgsl_ioctl_gpumem_alloc_id(dev_priv, cmd, &param);

	param32->id = param.id;
	param32->flags = param.flags;
	param32->size = sizet_to_compat(param.size);
	param32->mmapsize = sizet_to_compat(param.mmapsize);
	param32->gpuaddr = gpuaddr_to_compat(param.gpuaddr);

	return result;
}