Re: [PATCH wireless/arlan] Replace logical- by bit-and

Chuck Ebbert
2008-01-10T20:49:50Z

On 01/10/2008 03:28 PM, Randy Dunlap wrote:
> On Thu, 10 Jan 2008 20:15:53 +0100 Roel Kluin wrote:
>
>> Totally untested patch below from linus' git tree. The && is incorrect, right?
>>
>> from drivers/net/wireless/arlan.h:390:
>> #define ARLAN_POWER 0x40
>> #define ARLAN_ACCESS 0x80
>>
>> Replace logical and by bit-and
>>
>> Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
>> ---
>> diff --git a/drivers/net/wireless/arlan.h b/drivers/net/wireless/arlan.h
>> index 3ed1df7..7b7498f 100644
>> --- a/drivers/net/wireless/arlan.h
>> +++ b/drivers/net/wireless/arlan.h
>> @@ -485,7 +485,7 @@ struct arlan_private {
>> #define clearClearInterrupt(dev){\
>> writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT);}
>> #define setPowerOff(dev){\
>> - writeControlRegister(dev,readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\
>> + writeControlRegister(dev, readControlRegister(dev) | (ARLAN_POWER & ARLAN_ACCESS));\
>
> eh? How does that help?
>
> 0x80 && 0x40 -> 0

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