[ATM]: lanai: quiet sparse warnings

Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/lanai.c

@@ -650,7 +650,7 @@ static inline u32 cardvcc_read(const struct lanai_vcc *lvcc,
 	enum lanai_vcc_offset offset)
 {
 	u32 val;
-	APRINTK(lvcc->vbase != 0, "cardvcc_read: unbound vcc!\n");
+	APRINTK(lvcc->vbase != NULL, "cardvcc_read: unbound vcc!\n");
 	val= readl(lvcc->vbase + offset);
 	RWDEBUG("VR vci=%04d 0x%02X = 0x%08X\n",
 	    lvcc->vci, (int) offset, val);
@@ -660,7 +660,7 @@ static inline u32 cardvcc_read(const struct lanai_vcc *lvcc,
 static inline void cardvcc_write(const struct lanai_vcc *lvcc,
 	u32 val, enum lanai_vcc_offset offset)
 {
-	APRINTK(lvcc->vbase != 0, "cardvcc_write: unbound vcc!\n");
+	APRINTK(lvcc->vbase != NULL, "cardvcc_write: unbound vcc!\n");
 	APRINTK((val & ~0xFFFF) == 0,
 	    "cardvcc_write: bad val 0x%X (vci=%d, addr=0x%02X)\n",
 	    (unsigned int) val, lvcc->vci, (unsigned int) offset);
@@ -748,7 +748,7 @@ static void host_vcc_start_tx(const struct lanai_vcc *lvcc)
 /* Shutdown receiving on card */
 static void lanai_shutdown_rx_vci(const struct lanai_vcc *lvcc)
 {
-	if (lvcc->vbase == 0)		/* We were never bound to a VCI */
+	if (lvcc->vbase == NULL)	/* We were never bound to a VCI */
 		return;
 	/* 15.1.1 - set to trashing, wait one cell time (15us) */
 	cardvcc_write(lvcc,
@@ -779,7 +779,7 @@ static void lanai_shutdown_tx_vci(struct lanai_dev *lanai,
 	int read, write, lastread = -1;
 	APRINTK(!in_interrupt(),
 	    "lanai_shutdown_tx_vci called w/o process context!\n");
-	if (lvcc->vbase == 0)		/* We were never bound to a VCI */
+	if (lvcc->vbase == NULL)	/* We were never bound to a VCI */
 		return;
 	/* 15.2.1 - wait for queue to drain */
 	while ((skb = skb_dequeue(&lvcc->tx.backlog)) != NULL)
@@ -1544,7 +1544,7 @@ static int lanai_setup_tx_vci(struct lanai_dev *lanai, struct lanai_vcc *lvcc,
 static inline void host_vcc_bind(struct lanai_dev *lanai,
 	struct lanai_vcc *lvcc, vci_t vci)
 {
-	if (lvcc->vbase != 0)
+	if (lvcc->vbase != NULL)
 		return;    /* We already were bound in the other direction */
 	DPRINTK("Binding vci %d\n", vci);
 #ifdef USE_POWERDOWN
@@ -1562,7 +1562,7 @@ static inline void host_vcc_bind(struct lanai_dev *lanai,
 static inline void host_vcc_unbind(struct lanai_dev *lanai,
 	struct lanai_vcc *lvcc)
 {
-	if (lvcc->vbase == 0)
+	if (lvcc->vbase == NULL)
 		return;	/* This vcc was never bound */
 	DPRINTK("Unbinding vci %d\n", lvcc->vci);
 	lvcc->vbase = NULL;
@@ -2179,7 +2179,7 @@ static int __devinit lanai_dev_open(struct atm_dev *atmdev)
 		goto error;
 	raw_base = lanai->pci->resource[0].start;
 	lanai->base = (bus_addr_t) ioremap(raw_base, LANAI_MAPPING_SIZE);
-	if (lanai->base == 0) {
+	if (lanai->base == NULL) {
 		printk(KERN_ERR DEV_LABEL ": couldn't remap I/O space\n");
 		goto error_pci;
 	}
@@ -2333,7 +2333,7 @@ static void lanai_close(struct atm_vcc *atmvcc)
 	}
 	if (lvcc->tx.atmvcc == atmvcc) {
 		if (atmvcc == lanai->cbrvcc) {
-			if (lvcc->vbase != 0)
+			if (lvcc->vbase != NULL)
 				lanai_cbr_shutdown(lanai);
 			lanai->cbrvcc = NULL;
 		}
@@ -2524,7 +2524,7 @@ static int lanai_send(struct atm_vcc *atmvcc, struct sk_buff *skb)
 	struct lanai_vcc *lvcc = (struct lanai_vcc *) atmvcc->dev_data;
 	struct lanai_dev *lanai = (struct lanai_dev *) atmvcc->dev->dev_data;
 	unsigned long flags;
-	if (unlikely(lvcc == NULL || lvcc->vbase == 0 ||
+	if (unlikely(lvcc == NULL || lvcc->vbase == NULL ||
 	      lvcc->tx.atmvcc != atmvcc))
 		goto einval;
 #ifdef DEBUG