Re: softirq oops from b44_poll

[David Miller]

From: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@xxxxxxxxx>
Date: Mon, 21 Nov 2011 15:17:33 -0800

> I suspect the "right" way to fix this is to call dev_kfree_skb_any(skb);
> instead, since that will handle the in-interrupt case if that's where
> we're stuck.

Caller is always b44_poll(), and that caller always does spin_lock_irqsave().

Adding the extra tests implied by dev_kfree_skb_any() therefore doesn't
make any sense, as it will always evaluate to dev_kfree_skb_irq().
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