linux-kernel - Re: [PATCH] tty: serial: serial

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Message-ID: <CADVatmOooxEKJ26i9nED2OKmBghOwuz6fjGJmYO0tuopTEoLDw@mail.gmail.com>
Date:	Wed, 30 Jul 2014 20:22:14 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	gregkh@...uxfoundation.org, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: serial: serial_core.c: printk replacement

On Wed, Jul 30, 2014 at 8:07 PM, Jiri Slaby <jslaby@...e.cz> wrote:
> On 07/30/2014, 04:07 PM, Sudip Mukherjee wrote:
>> printk replaced with corresponding dev_*
>> fixed two broken user-visible strings used by the corresponding printk
>>
>>
>> Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@...il.com>
>> ---
>>  drivers/tty/serial/serial_core.c | 19 ++++++++++---------
>>  1 file changed, 10 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
>> index 8bb19da..ef48d0f 100644
>> --- a/drivers/tty/serial/serial_core.c
>> +++ b/drivers/tty/serial/serial_core.c
> ...
>> @@ -1974,8 +1974,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
>>               for (tries = 3; !ops->tx_empty(uport) && tries; tries--)
>>                       msleep(10);
>>               if (!tries)
>> -                     printk(KERN_ERR "%s%s%s%d: Unable to drain "
>> -                                     "transmitter\n",
>> +                     dev_err(uport->dev,
>> +                             "%s%s%s%d: Unable to drain transmitter\n",
>>                              uport->dev ? dev_name(uport->dev) : "",
>
> Hi, this does not look correct. You use uport->dev, but there is a test
> whether it is NULL in the parameters.
>
> You would have to investigate if and when uport->dev can be NULL and
> document it in the commit log above.

HI
Thanks for reviewing it . I am checking out all the cases in which
uport can be null and will resend the patch.

Thanks
Sudip

>
> thanks,
> --
> js
> suse labs
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