On Sat, Oct 13, 2012 at 12:14:29PM +0200, Pontus Fuchs wrote:
> On 2012-10-13 07:41, Kalle Valo wrote:
>> Pontus Fuchs <pontus.fuchs@xxxxxxxxx> writes:
>>
>>> +#define ar5523_err(ar, format, arg...) \
>>> +do { \
>>> + if (!test_bit(AR5523_USB_DISCONNECTED, &ar->flags)) { \
>>> + dev_err(&(ar)->dev->dev, format, ## arg); \
>>> + } \
>>> +} while (0)
>> This looks suspicious and might hide something important. It's better to
>> fix the real cause than to workaround it in the error log printer. Do
>> you know why this was added?
> Yes. The purpose is to hide all the USB errors that happens when you
> hot-unplug the dongle. There can be quite a few URBs in flight and
> all of them will fail with -ENODEV or -ESHUTDOWN. Instead of checking
> for these errors in all the usb submissions and callbacks I added this
> flag. Do you still a problem with this approach?
I think it's fine, but it needs a comment explaining it with basically
the same information you just wrote above.
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