Re: [PATCH] Documentation/rs485: Fix missing zero init on sample code

From: Ricardo Ribalda Delgado
Date: Tue Nov 07 2017 - 11:09:43 EST


Hi Jiri

On Tue, Nov 7, 2017 at 2:28 PM, Jiri Slaby <jslaby@xxxxxxx> wrote:
> On 11/06/2017, 11:51 AM, Ricardo Ribalda Delgado wrote:
>> The sample code does not initialize to zero a local variable and then it
>> uses the uninitialized code.
>>
>> Fix in case someone copy/paste the sample code.
>>
>> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
>> ---
>> Documentation/serial/serial-rs485.txt | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt
>> index 389fcd4759e9..2bbae93bf279 100644
>> --- a/Documentation/serial/serial-rs485.txt
>> +++ b/Documentation/serial/serial-rs485.txt
>> @@ -54,7 +54,7 @@
>> /* Error handling. See errno. */
>> }
>>
>> - struct serial_rs485 rs485conf;
>> + struct serial_rs485 rs485conf = {};
>
> I think that TIOCGRS485 is missing here instead. Ccing the author of the
> text.
>
That will also do.



> Does it break classifying potatoes :)?

The potato machine has to speak to other industrial machines :).

Hey!: I am running of potatoes!, Need another truck.

>
>> /* Enable RS485 mode: */
>> rs485conf.flags |= SER_RS485_ENABLED;
>>
>
> thanks,
> --
> js
> suse labs



--
Ricardo Ribalda