[ Upstream commit
bce1a78423961fce676ac65540a31b6ffd179e6d ]
The RMI4 function structure has been released in rmi_register_function
if error occurs. However, it will be released again in the function
rmi_create_function, which may result in a double-free bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
error = rmi_register_function(fn);
if (error)
- goto err_put_fn;
+ return error;
if (pdt->function_number == 0x01)
data->f01_container = fn;
list_add_tail(&fn->node, &data->function_list);
return RMI_SCAN_CONTINUE;
-
-err_put_fn:
- put_device(&fn->dev);
- return error;
}
void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake)