lib/socket: detect protocol in nl_socket_set_fd()
With support for socket option SO_PROTOCOL we don't need the protocol
argument to nl_socket_set_fd(). Maybe we should drop the protocol argument
and just not support nl_socket_set_fd() on older systems. But instead
keep the argument and allow passing -1 to autodetect it.
If the user sets a protocol option, we check via getsockopt() that the
value is correct and error out otherwise.
On older kernels, the user must set the value. Otherwise
nl_socket_set_fd() will fail.
Signed-off-by: Thomas Haller <thaller@redhat.com>
1 file changed