8 files changed, 48 insertions, 0 deletions

diff --git a/sys/dev/etherswitch/arswitch/arswitch.c b/sys/dev/etherswitch/arswitch/arswitch.c
index c0098d7f2d352..26bd2f16fa776 100644
--- a/sys/dev/etherswitch/arswitch/arswitch.c
+++ b/sys/dev/etherswitch/arswitch/arswitch.c
@@ -177,6 +177,12 @@ arswitch_attach_phys(struct arswitch_softc *sc)
 	snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
 	for (phy = 0; phy < sc->numphys; phy++) {
 		sc->ifp[phy] = if_alloc(IFT_ETHER);
+		if (sc->ifp[phy] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[phy]->if_softc = sc;
 		sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/e6000sw/e6060sw.c b/sys/dev/etherswitch/e6000sw/e6060sw.c
index fedc1e4ac9f62..4704e4b31b56d 100644
--- a/sys/dev/etherswitch/e6000sw/e6060sw.c
+++ b/sys/dev/etherswitch/e6000sw/e6060sw.c
@@ -218,6 +218,12 @@ e6060sw_attach_phys(struct e6060sw_softc *sc)
 		sc->ifpport[phy] = port;
 		sc->portphy[port] = phy;
 		sc->ifp[port] = if_alloc(IFT_ETHER);
+		if (sc->ifp[port] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[port]->if_softc = sc;
 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/infineon/adm6996fc.c b/sys/dev/etherswitch/infineon/adm6996fc.c
index a2f7e9d90b2bd..76e414afb9781 100644
--- a/sys/dev/etherswitch/infineon/adm6996fc.c
+++ b/sys/dev/etherswitch/infineon/adm6996fc.c
@@ -175,6 +175,12 @@ adm6996fc_attach_phys(struct adm6996fc_softc *sc)
 		sc->ifpport[phy] = port;
 		sc->portphy[port] = phy;
 		sc->ifp[port] = if_alloc(IFT_ETHER);
+		if (sc->ifp[port] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[port]->if_softc = sc;
 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/ip17x/ip17x.c b/sys/dev/etherswitch/ip17x/ip17x.c
index ff1db9dbd68ac..53ced768b41ff 100644
--- a/sys/dev/etherswitch/ip17x/ip17x.c
+++ b/sys/dev/etherswitch/ip17x/ip17x.c
@@ -174,6 +174,12 @@ ip17x_attach_phys(struct ip17x_softc *sc)
 		sc->phyport[phy] = port;
 		sc->portphy[port] = phy;
 		sc->ifp[port] = if_alloc(IFT_ETHER);
+		if (sc->ifp[port] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[port]->if_softc = sc;
 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/micrel/ksz8995ma.c b/sys/dev/etherswitch/micrel/ksz8995ma.c
index 4962d37178188..7c8dd695bae1c 100644
--- a/sys/dev/etherswitch/micrel/ksz8995ma.c
+++ b/sys/dev/etherswitch/micrel/ksz8995ma.c
@@ -221,6 +221,12 @@ ksz8995ma_attach_phys(struct ksz8995ma_softc *sc)
 		sc->ifpport[phy] = port;
 		sc->portphy[port] = phy;
 		sc->ifp[port] = if_alloc(IFT_ETHER);
+		if (sc->ifp[port] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[port]->if_softc = sc;
 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/mtkswitch/mtkswitch.c b/sys/dev/etherswitch/mtkswitch/mtkswitch.c
index 97464cac3e56a..d3a6efa487cae 100644
--- a/sys/dev/etherswitch/mtkswitch/mtkswitch.c
+++ b/sys/dev/etherswitch/mtkswitch/mtkswitch.c
@@ -122,6 +122,12 @@ mtkswitch_attach_phys(struct mtkswitch_softc *sc)
 			continue;
 		}
 		sc->ifp[phy] = if_alloc(IFT_ETHER);
+		if (sc->ifp[phy] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[phy]->if_softc = sc;
 		sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/rtl8366/rtl8366rb.c b/sys/dev/etherswitch/rtl8366/rtl8366rb.c
index a80c27649f4bb..1fff39bfbac98 100644
--- a/sys/dev/etherswitch/rtl8366/rtl8366rb.c
+++ b/sys/dev/etherswitch/rtl8366/rtl8366rb.c
@@ -239,6 +239,12 @@ rtl8366rb_attach(device_t dev)
 	/* PHYs need an interface, so we generate a dummy one */
 	for (i = 0; i < sc->numphys; i++) {
 		sc->ifp[i] = if_alloc(IFT_ETHER);
+		if (sc->ifp[i] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[i]->if_softc = sc;
 		sc->ifp[i]->if_flags |= IFF_UP | IFF_BROADCAST | IFF_DRV_RUNNING
 			| IFF_SIMPLEX;
diff --git a/sys/dev/etherswitch/ukswitch/ukswitch.c b/sys/dev/etherswitch/ukswitch/ukswitch.c
index cb063f4d634a5..8293db0fa5717 100644
--- a/sys/dev/etherswitch/ukswitch/ukswitch.c
+++ b/sys/dev/etherswitch/ukswitch/ukswitch.c
@@ -126,6 +126,12 @@ ukswitch_attach_phys(struct ukswitch_softc *sc)
 		sc->ifpport[phy] = port;
 		sc->portphy[port] = phy;
 		sc->ifp[port] = if_alloc(IFT_ETHER);
+		if (sc->ifp[port] == NULL) {
+			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
+			err = ENOMEM;
+			break;
+		}
+
 		sc->ifp[port]->if_softc = sc;
 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
 		    IFF_DRV_RUNNING | IFF_SIMPLEX;