diff --git a/sys/net/bpf.h b/sys/net/bpf.h
--- a/sys/net/bpf.h
+++ b/sys/net/bpf.h
@@ -433,15 +433,13 @@
 void	 bpfilterattach(int);
 u_int	 bpf_filter(const struct bpf_insn *, u_char *, u_int, u_int);
 
-static __inline int
+static __inline bool
 bpf_peers_present(struct bpf_if *bpf)
 {
 	struct bpf_if_ext *ext;
 
 	ext = (struct bpf_if_ext *)bpf;
-	if (!CK_LIST_EMPTY(&ext->bif_dlist))
-		return (1);
-	return (0);
+	return (!CK_LIST_EMPTY(&ext->bif_dlist));
 }
 
 #define	BPF_TAP(_ifp,_pkt,_pktlen)				\
diff --git a/sys/net/bpf.c b/sys/net/bpf.c
--- a/sys/net/bpf.c
+++ b/sys/net/bpf.c
@@ -2880,9 +2880,7 @@
 bool
 bpf_peers_present_if(struct ifnet *ifp)
 {
-	struct bpf_if *bp = ifp->if_bpf;
-
-	return (bpf_peers_present(bp) > 0);
+	return (bpf_peers_present(ifp->if_bpf));
 }
 
 /*