Re: [PATCH] USB: fix deadlock in HCD code

From: Oliver Neukum
Date: Wed May 21 2008 - 09:48:02 EST

Am Mittwoch 21 Mai 2008 15:36:49 schrieb Jiri Kosina:
> On Wed, 21 May 2008, Oliver Neukum wrote:
> > This turns out not to be the case. Interrupts are disabled.
> You're right, this callchain can't cause the deadlock indeed. I'll go
> through the other possibilities.

usb_hcd_flush_endpoint() is an obvious case. Used in the suspend code.
Your patch is indeed correct, but I fear there might be a second bug caused
by wrong calling conditions.

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