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SubjectRe: [linux-usb-devel] drivers/usb/gadget/ether.c: NULL dereference

> void dev_kfree_skb_any(struct sk_buff *skb)
> {
> if (in_irq() || irqs_disabled())
> dev_kfree_skb_irq(skb);
> else
> dev_kfree_skb(skb);
> }
> And the first thing dev_kfree_skb_irq() does is to dereference skb...

Yet dev_kfree_skb() --> kfree_skb() starts with the standard idiom

if (unlikely(!skb))

Seems to me that the finger of blame is more appropriately pointed
at either dev_kfree_skb_any() or dev_kfree_skb_irq() ...

- Dave

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