arm: for pointers replace 0 with NULL.

These are mostly cosmetical, no functional change.

Found with devel/coccinelle.

7 files changed, 17 insertions, 17 deletions

diff --git a/sys/arm/at91/at91_mci.c b/sys/arm/at91/at91_mci.c
index ba6040f..cf884b9 100644
--- a/sys/arm/at91/at91_mci.c
+++ b/sys/arm/at91/at91_mci.c
@@ -526,16 +526,16 @@ at91_mci_deactivate(device_t dev)
 	sc = device_get_softc(dev);
 	if (sc->intrhand)
 		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
-	sc->intrhand = 0;
+	sc->intrhand = NULL;
 	bus_generic_detach(sc->dev);
 	if (sc->mem_res)
 		bus_release_resource(dev, SYS_RES_MEMORY,
 		    rman_get_rid(sc->mem_res), sc->mem_res);
-	sc->mem_res = 0;
+	sc->mem_res = NULL;
 	if (sc->irq_res)
 		bus_release_resource(dev, SYS_RES_IRQ,
 		    rman_get_rid(sc->irq_res), sc->irq_res);
-	sc->irq_res = 0;
+	sc->irq_res = NULL;
 	return;
 }
 
diff --git a/sys/arm/at91/at91_pio.c b/sys/arm/at91/at91_pio.c
index 0de46c5..0d9bd46 100644
--- a/sys/arm/at91/at91_pio.c
+++ b/sys/arm/at91/at91_pio.c
@@ -240,16 +240,16 @@ at91_pio_deactivate(device_t dev)
 	sc = device_get_softc(dev);
 	if (sc->intrhand)
 		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
-	sc->intrhand = 0;
+	sc->intrhand = NULL;
 	bus_generic_detach(sc->dev);
 	if (sc->mem_res)
 		bus_release_resource(dev, SYS_RES_MEMORY,
 		    rman_get_rid(sc->mem_res), sc->mem_res);
-	sc->mem_res = 0;
+	sc->mem_res = NULL;
 	if (sc->irq_res)
 		bus_release_resource(dev, SYS_RES_IRQ,
 		    rman_get_rid(sc->irq_res), sc->irq_res);
-	sc->irq_res = 0;
+	sc->irq_res = NULL;
 }
 
 static void
diff --git a/sys/arm/at91/at91_pmc.c b/sys/arm/at91/at91_pmc.c
index 16f62ec..e93e3b7 100644
--- a/sys/arm/at91/at91_pmc.c
+++ b/sys/arm/at91/at91_pmc.c
@@ -636,7 +636,7 @@ at91_pmc_deactivate(device_t dev)
 	if (sc->mem_res)
 		bus_release_resource(dev, SYS_RES_IOPORT,
 		    rman_get_rid(sc->mem_res), sc->mem_res);
-	sc->mem_res = 0;
+	sc->mem_res = NULL;
 }
 
 static int
diff --git a/sys/arm/at91/at91_rtc.c b/sys/arm/at91/at91_rtc.c
index 6ed044a..7bb80b9 100644
--- a/sys/arm/at91/at91_rtc.c
+++ b/sys/arm/at91/at91_rtc.c
@@ -232,18 +232,18 @@ at91_rtc_deactivate(device_t dev)
 	WR4(sc, RTC_IDR, 0xffffffff);
 	if (sc->intrhand)
 		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
-	sc->intrhand = 0;
+	sc->intrhand = NULL;
 #endif
 	bus_generic_detach(sc->dev);
 	if (sc->mem_res)
 		bus_release_resource(dev, SYS_RES_MEMORY,
 		    rman_get_rid(sc->mem_res), sc->mem_res);
-	sc->mem_res = 0;
+	sc->mem_res = NULL;
 #ifdef AT91_RTC_USE_INTERRUPTS
 	if (sc->irq_res)
 		bus_release_resource(dev, SYS_RES_IRQ,
 		    rman_get_rid(sc->irq_res), sc->irq_res);
-	sc->irq_res = 0;
+	sc->irq_res = NULL;
 #endif	
 	return;
 }
diff --git a/sys/arm/at91/at91_ssc.c b/sys/arm/at91/at91_ssc.c
index 8a32f55..d79020b 100644
--- a/sys/arm/at91/at91_ssc.c
+++ b/sys/arm/at91/at91_ssc.c
@@ -193,16 +193,16 @@ at91_ssc_deactivate(device_t dev)
 	sc = device_get_softc(dev);
 	if (sc->intrhand)
 		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
-	sc->intrhand = 0;
+	sc->intrhand = NULL;
 	bus_generic_detach(sc->dev);
 	if (sc->mem_res)
 		bus_release_resource(dev, SYS_RES_IOPORT,
 		    rman_get_rid(sc->mem_res), sc->mem_res);
-	sc->mem_res = 0;
+	sc->mem_res = NULL;
 	if (sc->irq_res)
 		bus_release_resource(dev, SYS_RES_IRQ,
 		    rman_get_rid(sc->irq_res), sc->irq_res);
-	sc->irq_res = 0;
+	sc->irq_res = NULL;
 	return;
 }
 
diff --git a/sys/arm/at91/at91_twi.c b/sys/arm/at91/at91_twi.c
index f9a7294..28676fc 100644
--- a/sys/arm/at91/at91_twi.c
+++ b/sys/arm/at91/at91_twi.c
@@ -216,16 +216,16 @@ at91_twi_deactivate(device_t dev)
 	sc = device_get_softc(dev);
 	if (sc->intrhand)
 		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
-	sc->intrhand = 0;
+	sc->intrhand = NULL;
 	bus_generic_detach(sc->dev);
 	if (sc->mem_res)
 		bus_release_resource(dev, SYS_RES_MEMORY,
 		    rman_get_rid(sc->mem_res), sc->mem_res);
-	sc->mem_res = 0;
+	sc->mem_res = NULL;
 	if (sc->irq_res)
 		bus_release_resource(dev, SYS_RES_IRQ,
 		    rman_get_rid(sc->irq_res), sc->irq_res);
-	sc->irq_res = 0;
+	sc->irq_res = NULL;
 	return;
 }
 
diff --git a/sys/arm/at91/if_ate.c b/sys/arm/at91/if_ate.c
index ac200b4..082b24f 100644
--- a/sys/arm/at91/if_ate.c
+++ b/sys/arm/at91/if_ate.c
@@ -1184,7 +1184,7 @@ atestart_locked(struct ifnet *ifp)
 		}
 
 		IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
-		if (m == 0)
+		if (m == NULL)
 			break;
 
 		e = bus_dmamap_load_mbuf_sg(sc->mtag, sc->tx_map[sc->txhead], m,