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sock_diag: allow to dump bpf filters
authorNicolas Dichtel <nicolas.dichtel@6wind.com>
Thu, 25 Apr 2013 06:53:54 +0000 (06:53 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Apr 2013 17:21:30 +0000 (13:21 -0400)
This patch allows to dump BPF filters attached to a socket with
SO_ATTACH_FILTER.
Note that we check CAP_SYS_ADMIN before allowing to dump this info.

For now, only AF_PACKET sockets use this feature.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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