Re: [PATCH v3 1/2] staging: dgap: tty.c: adds error handing in tty driver allocations

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On Tue, Oct 01, 2013 at 12:00:23PM -0400, Lidza Louina wrote:
> @@ -306,7 +316,16 @@ int dgap_tty_register(struct board_t *brd)
>  
>  	DPR_INIT(("DGAP REGISTER TTY: MAJORS: %d %d\n", brd->SerialDriver->major,
>  		brd->PrintDriver->major));
> -

You need a "return 0;" here otherwise we release everything on success
when we worked so hard to allocate it.

regards,
dan carpenter

> +err_unregister_serial:
> +        tty_unregister_driver(brd->SerialDriver);
> +err_free_print_ttys:
> +        kfree(brd->PrintDriver->ttys);
> +err_put_tty_print:
> +        put_tty_driver(brd->PrintDriver);
> +err_free_serial_ttys:
> +        kfree(brd->SerialDriver->ttys);
> +err_put_tty_serial:
> +        put_tty_driver(brd->SerialDriver);
>  	return (rc);
>  }

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