__sk_attach_filter9
Attach a socket filter
Usage
int __sk_attach_filter(struct sock_fprog * fprog, struct sock * sk, bool locked);
Arguments
fprog
the filter program
sk
the socket to use
locked
-- undescribed --
Overview
Attach the user's filter code. We first run some sanity checks on it to make sure it does not explode on us later. If an error occurs or there is insufficient memory for the filter a negative errno code is returned. On success the return is zero.