atm: nicstar: use NULL instead of 0 for pointer

sparse says:

drivers/atm/nicstar.c:642:27: warning:
 Using plain integer as NULL pointer
drivers/atm/nicstar.c:644:27:
 warning: Using plain integer as NULL pointer
drivers/atm/nicstar.c:982:51:
 warning: Using plain integer as NULL pointer
drivers/atm/nicstar.c:996:51:
 warning: Using plain integer as NULL pointer

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Acked-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
index 9587e959ce1af0cefca7d814ad161aa1c709c9bb..13ed54cf2c31c174e3d0695b702c15a546385270 100644 (file)
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -639,9 +639,9 @@ static int ns_init_card(int i, struct pci_dev *pcidev)
        card->hbnr.init = NUM_HB;
        card->hbnr.max = MAX_HB;
 
-       card->sm_handle = 0x00000000;
+       card->sm_handle = NULL;
        card->sm_addr = 0x00000000;
-       card->lg_handle = 0x00000000;
+       card->lg_handle = NULL;
        card->lg_addr = 0x00000000;
 
        card->efbie = 1;        /* To prevent push_rxbufs from enabling the interrupt */
@@ -979,7 +979,7 @@ static void push_rxbufs(ns_dev * card, struct sk_buff *skb)
                                addr2 = card->sm_addr;
                                handle2 = card->sm_handle;
                                card->sm_addr = 0x00000000;
-                               card->sm_handle = 0x00000000;
+                               card->sm_handle = NULL;
                        } else {        /* (!sm_addr) */
 
                                card->sm_addr = addr1;
@@ -993,7 +993,7 @@ static void push_rxbufs(ns_dev * card, struct sk_buff *skb)
                                addr2 = card->lg_addr;
                                handle2 = card->lg_handle;
                                card->lg_addr = 0x00000000;
-                               card->lg_handle = 0x00000000;
+                               card->lg_handle = NULL;
                        } else {        /* (!lg_addr) */
 
                                card->lg_addr = addr1;