net/af_packet: guard against buffer overruns in Rx path
net/af_packet: guard against buffer overruns in Rx path

Signed-off-by: Michał Mirosław <5b3b289935a426e6c8ca77bada2109f91f34dbbc@atendesoftware.pl>
Acked-by: John W. Linville <2a53bac7a5d324865ef46ec4c38b2c0fba1456b4@tuxdriver.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk