On Sun, 2012-02-12 at 06:00 +0000, Ben Hutchings wrote: > We must not allow the input buffer length to change while we're > shuffling the buffer contents. We also mustn't clear the WDM_READ > flag after more data might have arrived. Therefore move both of these > into the spinlocked region at the bottom of wdm_read(). > > When reading desc->length without holding the iuspin lock, use > ACCESS_ONCE() to ensure the compiler doesn't re-read it with > inconsistent results. [...] I think these should go to stable if they actually work. Ben. -- Ben Hutchings The two most common things in the universe are hydrogen and stupidity.
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