Mark, maybe you should add yourself to the MAINTAINERS entry for this
driver?

On Fri, Apr 25, 2014 at 04:04:59PM +0900, Daeseok Youn wrote:
> @@ -1263,7 +1277,8 @@ static int dgap_tty_register(struct board_t *brd)
>               /* Register tty devices */
>               rc = tty_register_driver(brd->SerialDriver);
>               if (rc < 0)
> -                     return rc;
> +                     goto free_print_ttys;
> +
>               brd->dgap_Major_Serial_Registered = TRUE;
>               dgap_BoardsByMajor[brd->SerialDriver->major] = brd;
>               brd->dgap_Serial_Major = brd->SerialDriver->major;
> @@ -1273,13 +1288,29 @@ static int dgap_tty_register(struct board_t *brd)
>               /* Register Transparent Print devices */
>               rc = tty_register_driver(brd->PrintDriver);
>               if (rc < 0)
> -                     return rc;
> +                     goto unregister_serial_drv;
> +
>               brd->dgap_Major_TransparentPrint_Registered = TRUE;
>               dgap_BoardsByMajor[brd->PrintDriver->major] = brd;
>               brd->dgap_TransparentPrint_Major = brd->PrintDriver->major;
>       }
>  
>       return rc;
> +
> +unregister_serial_drv:
> +     tty_unregister_driver(brd->SerialDriver);

We only register the ->SerialDriver if someone else hasn't registered it
first?  So this should be:

        if (we_were_the_ones_who_registered_the_serial_driver)
                tty_unregister_driver(brd->SerialDriver);

I haven't followed looked at this.  Who else is registering the serial
driver?  You have looked at this, what do you think?  Or Mark.

regards,
dan carpenter

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