C++ (Cpp) _mali_ukk_release_ump_memの例

コード例 #1

ファイル: mali_ukk_mem.c プロジェクト: Android-Dongyf/itop-kernel

int mem_attach_ump_wrapper(struct mali_session_data *session_data, _mali_uk_attach_ump_mem_s __user * argument)
{
	_mali_uk_attach_ump_mem_s uk_args;
	_mali_osk_errcode_t err_code;

	/* validate input */
	/* the session_data pointer was validated by caller */
	MALI_CHECK_NON_NULL( argument, -EINVAL);

	/* get call arguments from user space. copy_from_user returns how many bytes which where NOT copied */
	if ( 0 != copy_from_user(&uk_args, (void __user *)argument, sizeof(_mali_uk_attach_ump_mem_s)) ) {
		return -EFAULT;
	}

	uk_args.ctx = session_data;
	err_code = _mali_ukk_attach_ump_mem( &uk_args );

	if (0 != put_user(uk_args.cookie, &argument->cookie)) {
		if (_MALI_OSK_ERR_OK == err_code) {
			/* Rollback */
			_mali_uk_release_ump_mem_s uk_args_unmap;

			uk_args_unmap.ctx = session_data;
			uk_args_unmap.cookie = uk_args.cookie;
			err_code = _mali_ukk_release_ump_mem( &uk_args_unmap );
			if (_MALI_OSK_ERR_OK != err_code) {
				MALI_DEBUG_PRINT(4, ("reverting _mali_ukk_attach_mem, as a result of failing put_user(), failed\n"));
			}
		}
		return -EFAULT;
	}

	/* Return the error that _mali_ukk_map_external_ump_mem produced */
	return map_errcode(err_code);
}

コード例 #2

ファイル: mali_ukk_mem.c プロジェクト: Android-Dongyf/itop-kernel

int mem_release_ump_wrapper(struct mali_session_data *session_data, _mali_uk_release_ump_mem_s __user * argument)
{
	_mali_uk_release_ump_mem_s uk_args;
	_mali_osk_errcode_t err_code;

	/* validate input */
	/* the session_data pointer was validated by caller */
	MALI_CHECK_NON_NULL( argument, -EINVAL);

	/* get call arguments from user space. copy_from_user returns how many bytes which where NOT copied */
	if ( 0 != copy_from_user(&uk_args, (void __user *)argument, sizeof(_mali_uk_release_ump_mem_s)) ) {
		return -EFAULT;
	}

	uk_args.ctx = session_data;
	err_code = _mali_ukk_release_ump_mem( &uk_args );

	/* Return the error that _mali_ukk_free_big_block produced */
	return map_errcode(err_code);
}

コード例 #3

int mem_release_ump_wrapper(struct mali_session_data *session_data, _mali_uk_release_ump_mem_s __user * argument)
{
	_mali_uk_release_ump_mem_s uk_args;
	_mali_osk_errcode_t err_code;

	
	
    MALI_CHECK_NON_NULL( argument, -EINVAL);

	
	if ( 0 != copy_from_user(&uk_args, (void __user *)argument, sizeof(_mali_uk_release_ump_mem_s)) )
	{
		return -EFAULT;
	}

    uk_args.ctx = session_data;
	err_code = _mali_ukk_release_ump_mem( &uk_args );

	
	return map_errcode(err_code);
}

コード例 #4

int mem_attach_ump_wrapper(struct mali_session_data *session_data, _mali_uk_attach_ump_mem_s __user * argument)
{
	_mali_uk_attach_ump_mem_s uk_args;
	_mali_osk_errcode_t err_code;

	
	
    MALI_CHECK_NON_NULL( argument, -EINVAL);

	
	if ( 0 != copy_from_user(&uk_args, (void __user *)argument, sizeof(_mali_uk_attach_ump_mem_s)) )
	{
		return -EFAULT;
	}

    uk_args.ctx = session_data;
	err_code = _mali_ukk_attach_ump_mem( &uk_args );

    if (0 != put_user(uk_args.cookie, &argument->cookie))
    {
        if (_MALI_OSK_ERR_OK == err_code)
        {
            
           	_mali_uk_release_ump_mem_s uk_args_unmap;

            uk_args_unmap.ctx = session_data;
            uk_args_unmap.cookie = uk_args.cookie;
            err_code = _mali_ukk_release_ump_mem( &uk_args_unmap );
            if (_MALI_OSK_ERR_OK != err_code)
            {
                MALI_DEBUG_PRINT(4, ("reverting _mali_ukk_attach_mem, as a result of failing put_user(), failed\n"));
            }
        }
        return -EFAULT;
    }

    
	return map_errcode(err_code);
}