On 09/20/13 19:36, Jonathan Cameron wrote:
> On 09/20/13 08:26, Nicolas Ferre wrote:
>> On 19/09/2013 23:42, Thomas Meyer :
>>> sizeof when applied to a pointer typed expression gives the size of the
>>> pointer.
>>> Found by coccinelle spatch "misc/noderef.cocci"
>>>
>>> Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
>>
>> Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com>
> Applied to the fixes-togreg branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
Actually, change of plan. Applied to the togreg branch of that
tree. Whilst technically more correct to have it as you say,
we are dealing with the size of a struct iio_trig ** vs
a struct iio_trig * so it isn't actually a bug, just a
less than ideal bit of code ;)
It was so obviously a fix I didn't initially check if it
was a 'real' bug or not. oops.
Jonathan
>
> Thanks,
>>
>>> ---
>>>
>>> diff -u -p a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
>>> --- a/drivers/iio/adc/at91_adc.c
>>> +++ b/drivers/iio/adc/at91_adc.c
>>> @@ -279,7 +279,7 @@ static int at91_adc_trigger_init(struct
>>> int i, ret;
>>>
>>> st->trig = devm_kzalloc(&idev->dev,
>>> - st->trigger_number * sizeof(st->trig),
>>> + st->trigger_number * sizeof(*st->trig),
>>> GFP_KERNEL);
>>>
>>> if (st->trig == NULL) {
>>> --
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>>
>>
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