xen/netback: don't call kfree_skb() under spin_lock_irqsave()
It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. So replace kfree_skb() with dev_kfree_skb_irq() under spin_lock_irqsave(). Fixes: be81992f ("xen/netback: don't queue unlimited number of packages") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Paul Durrant <paul@xen.org> Link: https://lore.kernel.org/r/20221205141333.3974565-1-yangyingliang@huawei.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>
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