diff --git a/sys/dev/etherswitch/arswitch/arswitch.c b/sys/dev/etherswitch/arswitch/arswitch.c
index 1f3d05611f0f..4703a73818a7 100644
--- a/sys/dev/etherswitch/arswitch/arswitch.c
+++ b/sys/dev/etherswitch/arswitch/arswitch.c
@@ -85,8 +85,8 @@ static int led_pattern_table[] = {
 
 static inline int arswitch_portforphy(int phy);
 static void arswitch_tick(void *arg);
-static int arswitch_ifmedia_upd(if_t );
-static void arswitch_ifmedia_sts(if_t , struct ifmediareq *);
+static int arswitch_ifmedia_upd(if_t);
+static void arswitch_ifmedia_sts(if_t, struct ifmediareq *);
 static int ar8xxx_port_vlan_setup(struct arswitch_softc *sc,
     etherswitch_port_t *p);
 static int ar8xxx_port_vlan_get(struct arswitch_softc *sc,
diff --git a/sys/dev/etherswitch/e6000sw/e6000sw.c b/sys/dev/etherswitch/e6000sw/e6000sw.c
index 812c004a37c3..cb2d56e64812 100644
--- a/sys/dev/etherswitch/e6000sw/e6000sw.c
+++ b/sys/dev/etherswitch/e6000sw/e6000sw.c
@@ -136,8 +136,8 @@ static int e6000sw_vtu_flush(e6000sw_softc_t *);
 static int e6000sw_vtu_update(e6000sw_softc_t *, int, int, int, int, int);
 static __inline void e6000sw_writereg(e6000sw_softc_t *, int, int, int);
 static __inline uint32_t e6000sw_readreg(e6000sw_softc_t *, int, int);
-static int e6000sw_ifmedia_upd(if_t );
-static void e6000sw_ifmedia_sts(if_t , struct ifmediareq *);
+static int e6000sw_ifmedia_upd(if_t);
+static void e6000sw_ifmedia_sts(if_t, struct ifmediareq *);
 static int e6000sw_atu_mac_table(device_t, e6000sw_softc_t *, struct atu_opt *,
     int);
 static int e6000sw_get_pvid(e6000sw_softc_t *, int, int *);
diff --git a/sys/dev/etherswitch/e6000sw/e6060sw.c b/sys/dev/etherswitch/e6000sw/e6060sw.c
index f53cca80c0a0..f21b7d2c24d0 100644
--- a/sys/dev/etherswitch/e6000sw/e6060sw.c
+++ b/sys/dev/etherswitch/e6000sw/e6060sw.c
@@ -150,8 +150,8 @@ struct e6060sw_softc {
 
 static inline int e6060sw_portforphy(struct e6060sw_softc *, int);
 static void e6060sw_tick(void *);
-static int e6060sw_ifmedia_upd(if_t );
-static void e6060sw_ifmedia_sts(if_t , struct ifmediareq *);
+static int e6060sw_ifmedia_upd(if_t);
+static void e6060sw_ifmedia_sts(if_t, struct ifmediareq *);
 
 static void e6060sw_setup(device_t dev);
 static int e6060sw_read_vtu(device_t dev, int num, int *data1, int *data2);
@@ -300,7 +300,7 @@ e6060sw_attach(device_t dev)
 
 	e6060sw_setup(dev);
 
-	sc->ifp = malloc(sizeof(if_t ) * sc->numports, M_E6060SW,
+	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_E6060SW,
 	    M_WAITOK | M_ZERO);
 	sc->ifname = malloc(sizeof(char *) * sc->numports, M_E6060SW,
 	    M_WAITOK | M_ZERO);
diff --git a/sys/dev/etherswitch/felix/felix.c b/sys/dev/etherswitch/felix/felix.c
index fc846da32aa2..5a08da8fb1ff 100644
--- a/sys/dev/etherswitch/felix/felix.c
+++ b/sys/dev/etherswitch/felix/felix.c
@@ -88,8 +88,8 @@ static int felix_setup(felix_softc_t);
 static void felix_setup_port(felix_softc_t, int);
 
 static void felix_tick(void *);
-static int felix_ifmedia_upd(if_t );
-static void felix_ifmedia_sts(if_t , struct ifmediareq *);
+static int felix_ifmedia_upd(if_t);
+static void felix_ifmedia_sts(if_t, struct ifmediareq *);
 
 static void felix_get_port_cfg(felix_softc_t, etherswitch_port_t *);
 static void felix_set_port_cfg(felix_softc_t, etherswitch_port_t *);
diff --git a/sys/dev/etherswitch/infineon/adm6996fc.c b/sys/dev/etherswitch/infineon/adm6996fc.c
index ec6f7c98b015..7b3c97a99303 100644
--- a/sys/dev/etherswitch/infineon/adm6996fc.c
+++ b/sys/dev/etherswitch/infineon/adm6996fc.c
@@ -122,8 +122,8 @@ struct adm6996fc_softc {
 
 static inline int adm6996fc_portforphy(struct adm6996fc_softc *, int);
 static void adm6996fc_tick(void *);
-static int adm6996fc_ifmedia_upd(if_t );
-static void adm6996fc_ifmedia_sts(if_t , struct ifmediareq *);
+static int adm6996fc_ifmedia_upd(if_t);
+static void adm6996fc_ifmedia_sts(if_t, struct ifmediareq *);
 
 #define	ADM6996FC_READREG(dev, x)					\
 	MDIO_READREG(dev, ((x) >> 5), ((x) & 0x1f));
@@ -254,7 +254,7 @@ adm6996fc_attach(device_t dev)
 	sc->info.es_nvlangroups = 16;
 	sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOT1Q;
 
-	sc->ifp = malloc(sizeof(if_t ) * sc->numports, M_ADM6996FC,
+	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_ADM6996FC,
 	    M_WAITOK | M_ZERO);
 	sc->ifname = malloc(sizeof(char *) * sc->numports, M_ADM6996FC,
 	    M_WAITOK | M_ZERO);
diff --git a/sys/dev/etherswitch/ip17x/ip17x.c b/sys/dev/etherswitch/ip17x/ip17x.c
index 7c6d253e7964..9bc3ca66da04 100644
--- a/sys/dev/etherswitch/ip17x/ip17x.c
+++ b/sys/dev/etherswitch/ip17x/ip17x.c
@@ -79,8 +79,8 @@ MALLOC_DECLARE(M_IP17X);
 MALLOC_DEFINE(M_IP17X, "ip17x", "ip17x data structures");
 
 static void ip17x_tick(void *);
-static int ip17x_ifmedia_upd(if_t );
-static void ip17x_ifmedia_sts(if_t , struct ifmediareq *);
+static int ip17x_ifmedia_upd(if_t);
+static void ip17x_ifmedia_sts(if_t, struct ifmediareq *);
 
 static void
 ip17x_identify(driver_t *driver, device_t parent)
@@ -240,7 +240,7 @@ ip17x_attach(device_t dev)
 	/* Always attach the cpu port. */
 	sc->phymask |= (1 << sc->cpuport);
 
-	sc->ifp = malloc(sizeof(if_t ) * sc->numports, M_IP17X,
+	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_IP17X,
 	    M_WAITOK | M_ZERO);
 	sc->pvid = malloc(sizeof(uint32_t) * sc->numports, M_IP17X,
 	    M_WAITOK | M_ZERO);
diff --git a/sys/dev/etherswitch/micrel/ksz8995ma.c b/sys/dev/etherswitch/micrel/ksz8995ma.c
index c7d3806fb558..6b7bbb3da767 100644
--- a/sys/dev/etherswitch/micrel/ksz8995ma.c
+++ b/sys/dev/etherswitch/micrel/ksz8995ma.c
@@ -173,8 +173,8 @@ struct ksz8995ma_softc {
 
 static inline int ksz8995ma_portforphy(struct ksz8995ma_softc *, int);
 static void ksz8995ma_tick(void *);
-static int ksz8995ma_ifmedia_upd(if_t );
-static void ksz8995ma_ifmedia_sts(if_t , struct ifmediareq *);
+static int ksz8995ma_ifmedia_upd(if_t);
+static void ksz8995ma_ifmedia_sts(if_t, struct ifmediareq *);
 static int ksz8995ma_readreg(device_t dev, int addr);
 static int ksz8995ma_writereg(device_t dev, int addr, int value);
 static void ksz8995ma_portvlanreset(device_t dev);
@@ -304,7 +304,7 @@ ksz8995ma_attach(device_t dev)
 	sc->info.es_nvlangroups = 16;
 	sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOT1Q;
 
-	sc->ifp = malloc(sizeof(if_t ) * sc->numports, M_KSZ8995MA,
+	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_KSZ8995MA,
 	    M_WAITOK | M_ZERO);
 	sc->ifname = malloc(sizeof(char *) * sc->numports, M_KSZ8995MA,
 	    M_WAITOK | M_ZERO);
diff --git a/sys/dev/etherswitch/rtl8366/rtl8366rb.c b/sys/dev/etherswitch/rtl8366/rtl8366rb.c
index f171bbe25e31..7e64bc62bcca 100644
--- a/sys/dev/etherswitch/rtl8366/rtl8366rb.c
+++ b/sys/dev/etherswitch/rtl8366/rtl8366rb.c
@@ -126,8 +126,8 @@ static int smi_read(device_t dev, uint16_t addr, uint16_t *data, int sleep);
 static int smi_write(device_t dev, uint16_t addr, uint16_t data, int sleep);
 static int smi_rmw(device_t dev, uint16_t addr, uint16_t mask, uint16_t data, int sleep);
 static void rtl8366rb_tick(void *arg);
-static int rtl8366rb_ifmedia_upd(if_t );
-static void rtl8366rb_ifmedia_sts(if_t , struct ifmediareq *);
+static int rtl8366rb_ifmedia_upd(if_t);
+static void rtl8366rb_ifmedia_sts(if_t, struct ifmediareq *);
 
 static void
 rtl8366rb_identify(driver_t *driver, device_t parent)
diff --git a/sys/dev/etherswitch/ukswitch/ukswitch.c b/sys/dev/etherswitch/ukswitch/ukswitch.c
index 5ec3a0db0d1e..7d4ab80b6667 100644
--- a/sys/dev/etherswitch/ukswitch/ukswitch.c
+++ b/sys/dev/etherswitch/ukswitch/ukswitch.c
@@ -97,8 +97,8 @@ struct ukswitch_softc {
 
 static inline int ukswitch_portforphy(struct ukswitch_softc *, int);
 static void ukswitch_tick(void *);
-static int ukswitch_ifmedia_upd(if_t );
-static void ukswitch_ifmedia_sts(if_t , struct ifmediareq *);
+static int ukswitch_ifmedia_upd(if_t);
+static void ukswitch_ifmedia_sts(if_t, struct ifmediareq *);
 
 static int
 ukswitch_probe(device_t dev)
@@ -201,7 +201,7 @@ ukswitch_attach(device_t dev)
 	/* We do not support any vlan groups. */
 	sc->info.es_nvlangroups = 0;
 
-	sc->ifp = malloc(sizeof(if_t ) * sc->numports, M_UKSWITCH,
+	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_UKSWITCH,
 	    M_WAITOK | M_ZERO);
 	sc->ifname = malloc(sizeof(char *) * sc->numports, M_UKSWITCH,
 	    M_WAITOK | M_ZERO);