Index: bpf.h
===================================================================
RCS file: /cvs/src/sys/net/bpf.h,v
retrieving revision 1.54
diff -u -p -r1.54 bpf.h
--- bpf.h	2 Apr 2016 09:05:16 -0000	1.54
+++ bpf.h	2 Apr 2016 09:25:29 -0000
@@ -277,7 +277,8 @@ struct bpf_ops {
 #define BPF_STMT(code, k) { (u_int16_t)(code), 0, 0, k }
 #define BPF_JUMP(code, k, jt, jf) { (u_int16_t)(code), jt, jf, k }
 
-u_int	 bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
+u_int	 bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int)
+	    __bounded((__buffer__, 2, 4));
 
 u_int	 _bpf_filter(const struct bpf_insn *, const struct bpf_ops *,
 	     const void *, u_int);