On Fri, 22 Aug 2008 [EMAIL PROTECTED] wrote:
> @@ -1785,9 +1784,11 @@ static int musb_urb_enqueue(
> * REVISIT consider a dedicated qh kmem_cache, so it's harder
> * for bugs in other kernel code to break this driver...
> */
> + spin_lock_irqsave(&musb->lock, flags);
> qh = kzalloc(sizeof *qh, mem_flags);
> if (!qh) {
> usb_hcd_unlink_urb_from_ep(hcd, urb);
> + spin_unlock_irqrestore(&musb->lock, flags);
> return -ENOMEM;
> }
This doesn't look right. After calling spin_lock_irqsave you are in an
atomic context, so you can't pass mem_flags to kzalloc.
Either move the spin_lock_irqsave after the call to kzalloc or else
change mem_flags to GFP_ATOMIC.
Alan Stern
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