Add a bpfdetach() stub routine to bpf.c. Without this, you'll get an

unresolved symbol error if you try to load a network driver into a kernel
which doesn't have bpf enabled.

Forgotten by: rwatson
Found by: peter

1 files changed, 6 insertions, 0 deletions

diff --git a/sys/net/bpf.c b/sys/net/bpf.c
index 9d562e4..6c08190 100644
--- a/sys/net/bpf.c
+++ b/sys/net/bpf.c
@@ -1392,6 +1392,12 @@ bpfattach(ifp, dlt, hdrlen)
 {
 }
 
+void
+bpfdetach(ifp)
+	struct ifnet *ifp;
+{
+}
+
 u_int
 bpf_filter(pc, p, wirelen, buflen)
 	register const struct bpf_insn *pc;