[lm-sensors] [PATCH] Fix the set pwm value will change fan mode

[ymu@Winbond.com.tw (Yuan Mu)]

Hi Jean,

[snipped]
>> +		data->pwm[nr] = (data->pwm[nr] & 0x7f) | 0x80;
> 
> Equivalent to:
> 		data->pwm[nr] |= 0x80;
> 
Oh, thank you , i will beat my head :(
>> +	} else {
>> +		return -EINVAL;
> 
> You return with the update lock held! It's easier to test the input
> value for validity before taking the lock, this avoids that kind of
> trap and is also more efficient.
> 

Beat my head once more ;)

And do we need to add lock in other store functions in w83792d ?


Best Regards
Yuan Mu







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