Re: [Uclinux-dist-devel] [PATCH 1/2] usb/host: SL811: fix unaligned accesses

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On Mon, Dec 21, 2009 at 11:23, Alan Stern wrote:
> On Mon, 21 Dec 2009, Mike Frysinger wrote:
>
>> @@ -1272,12 +1273,12 @@ sl811h_hub_control(
>>               sl811h_hub_descriptor(sl811, (struct usb_hub_descriptor *) buf);
>>               break;
>>       case GetHubStatus:
>> -             *(__le32 *) buf = cpu_to_le32(0);
>> +             put_unaligned(cpu_to_le32(0), (__le32 *) buf);
>>               break;
>>       case GetPortStatus:
>>               if (wIndex != 1)
>>                       goto error;
>> -             *(__le32 *) buf = cpu_to_le32(sl811->port1);
>> +             put_unaligned(cpu_to_le32(sl811->port1), (__le32 *) buf);
>
> How about using put_unaligned_le32() instead?  Then the casts wouldn't
> be needed.

i guess it takes care of the cpu_to_le32 too so we'd only have to do:
put_unaligned_le32(0, buf);
put_unaligned_le32(sl811->port1, buf);
-mike
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