Re: [PATCH] spi/pxa2xx: Clear cur_chip pointer before starting next message

From: Robert Jarzmik
Date: Fri Dec 05 2014 - 13:36:53 EST

Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> writes:

> On Thu, Dec 04, 2014 at 10:01:06PM +0100, Robert Jarzmik wrote:
>> So with your change, we have :
>> drv_data->cur_chip = NULL;
>> spi_finalize_current_message(drv_data->master);
>> In that case, if spi_finalize_current_message() queues another message, upon
>> this next message completion, won't giveback() be called, and dereference
>> cur_chip as well ?
> When the next message is started pxa2xx_spi_transfer_one_message() gets
> called and that will set cur_chip again.

Acked-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>


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