On 05/09/16 15:15, Pavel Andrianov wrote:
> 03.09.2016 19:38, Jonathan Cameron пишет:
>> On 31/08/16 11:23, Pavel Andrianov wrote:
>>> Hi!
>>>
>>> There is a bug in drivers/iio/light/opt3001.ko. Regard such case:
>>>
>>> Thread 1 Thread 2
>>> -> opt3001_read_raw
>>> ->
03.09.2016 19:38, Jonathan Cameron пишет:
On 31/08/16 11:23, Pavel Andrianov wrote:
Hi!
There is a bug in drivers/iio/light/opt3001.ko. Regard such case:
Thread 1 Thread 2
-> opt3001_read_raw
-> mutex_lock(&opt->lock)
-> opt3001_get_lux()
..
->i2c_smbus_
On 31/08/16 11:23, Pavel Andrianov wrote:
> Hi!
>
> There is a bug in drivers/iio/light/opt3001.ko. Regard such case:
>
> Thread 1 Thread 2
> -> opt3001_read_raw
> -> mutex_lock(&opt->lock)
> -> opt3001_get_lux()
> ..
> ->i2c_smbus_write_word_swapped()
>
Hi!
There is a bug in drivers/iio/light/opt3001.ko. Regard such case:
Thread 1 Thread 2
-> opt3001_read_raw
-> mutex_lock(&opt->lock)
-> opt3001_get_lux()
..
->i2c_smbus_write_word_swapped()
Now an interrupt comes
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