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Ursula Braun authored
A packet filter might be installed for instance with setsockopt SO_ATTACH_FILTER. af_iucv currently queues skbs rejected by filter into the backlog queue. This does not make sense, since packets rejected by filter can be dropped immediately. This patch adds separate sk_filter return code checking, and dropping of packets if applicable. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reported-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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