Re: [PATCH 2/2] drivers/usb: Delete XHCI command timer if necessary

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On Wed, 2015-08-12 at 13:55 +0300, Mathias Nyman wrote:

> Fortunately this can only happen in cases where xhci is already hosed
> (no command response for 5 seconds), and we are at the same time
> anyway about to remove xhci.
> 
> Doesn't this mean that all cases with
> if (timer_pending(&timer))
> 	del_timer_sync(&timer)
> 
> is just basically the same as a plain del_timer(&timer)?

Yes. I never understood the idiom.

> Anyways, turns out that the error path in xhci initialization code can end up calling
> del_timer_sync() before timer is initialized. This should be fixed by re-arranging
> some code in xhci initialization instead.

Good.

> Greg, should this be reverted in rc7?
> I think that the possible side effect of this patch is still lesser the original
> issue.     

I agree.

	Regards
		Oliver


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