[PATCH 8/9][ATM]: [lanai] quiet sparse warnings

["chas williams - CONTRACTOR" <chas@xxxxxxxxxxxxxxxx>]

please apply to 2.6 -- thanks!

# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
#   2005/03/07 15:26:27-05:00 chas@xxxxxxxxxxxxxxxxxxxxxx 
#   [ATM]: [lanai] quiet sparse warnings
#       
#   Signed-off-by: Randy Dunlap <rddunlap@xxxxxxxx>
#   Signed-off-by: Chas Williams <chas@xxxxxxxxxxxxxxxx>
# 
# drivers/atm/lanai.c
#   2005/03/07 15:26:10-05:00 chas@xxxxxxxxxxxxxxxxxxxxxx +9 -9
#   [ATM]: [lanai] quiet sparse warnings
#   
#   Signed-off-by: Randy Dunlap <rddunlap@xxxxxxxx>
#   Signed-off-by: Chas Williams <chas@xxxxxxxxxxxxxxxx>
# 
diff -Nru a/drivers/atm/lanai.c b/drivers/atm/lanai.c
--- a/drivers/atm/lanai.c       2005-03-07 15:36:36 -05:00
+++ b/drivers/atm/lanai.c       2005-03-07 15:36:36 -05:00
@@ -650,7 +650,7 @@
        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 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 @@
 /* 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 @@
        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 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_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 @@
                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 @@
        }
        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 @@
        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