On 2019/3/11 15:22, Dan Carpenter wrote:
> On Fri, Mar 08, 2019 at 10:23:10PM +0800, Mao Wenan wrote:
>> Add the missing uart_unregister_driver() before return
>> from sci_probe_single() in the error handling case.
>>
>> Signed-off-by: Mao Wenan <maowe...@huawei.com>
>> ---
>> drivers/tty/serial/sh-sci.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
>> index 64bbeb7d7e0c..dde4eac9d222 100644
>> --- a/drivers/tty/serial/sh-sci.c
>> +++ b/drivers/tty/serial/sh-sci.c
>> @@ -3254,8 +3254,10 @@ static int sci_probe_single(struct platform_device
>> *dev,
>> mutex_unlock(&sci_uart_registration_lock);
>>
>> ret = sci_init_single(dev, sciport, index, p, false);
>> - if (ret)
>> + if (ret) {
>> + uart_unregister_driver(&sci_uart_driver);
>> return ret;
>
> Why only this error path and not the next one?
>
>> + }
>>
>> sciport->gpios = mctrl_gpio_init(&sciport->port, 0);
>> if (IS_ERR(sciport->gpios) && PTR_ERR(sciport->gpios) != -ENOSYS)
> ^^^^^^^^^^^^^^^^^^^^^
> This one.
yes, this one need it too. resend v2.
thank you.
>
> regards,
> dan carpenter
>
>
> .
>
