capi: fix sparse warnings using integer as NULL pointer

drivers/isdn/capi/kcapi.c:829:30: warning: Using plain integer as NULL pointer
drivers/isdn/capi/kcapi.c:838:27: warning: Using plain integer as NULL pointer
drivers/isdn/capi/kcapi.c:954:17: warning: Using plain integer as NULL pointer
drivers/isdn/capi/kcapi.c:1007:37: warning: Using plain integer as NULL pointer
drivers/isdn/capi/kcapi.c:1009:33: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capiutil.c:453:24: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capilib.c:47:30: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:353:29: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:369:15: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:486:48: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:515:46: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:541:47: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:692:47: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:699:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:704:14: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:943:53: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:948:32: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:969:42: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:989:48: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:1026:69: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:1028:19: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:1061:20: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:1529:37: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capi.c:1531:33: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:338:15: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:758:32: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:880:40: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:407:15: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:407:15: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:444:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:429:49: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:1664:61: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:1969:37: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:2294:37: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:2297:33: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:2338:37: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capidrv.c:2341:33: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capifs.c:192:37: warning: Using plain integer as NULL pointer
drivers/isdn/capi/capifs.c:194:33: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Karsten Keil <kkeil@suse.de>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index cb42b690b45..2e602dd07ff 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -335,7 +335,7 @@ static capidrv_plci *new_plci(capidrv_contr * card, int chan)
 
 	plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
 
-	if (plcip == 0)
+	if (plcip == NULL)
 		return NULL;
 
 	plcip->state = ST_PLCI_NONE;
@@ -404,7 +404,7 @@ static inline capidrv_ncci *new_ncci(capidrv_contr * card,
 
 	nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
 
-	if (nccip == 0)
+	if (nccip == NULL)
 		return NULL;
 
 	nccip->ncci = ncci;
@@ -426,7 +426,7 @@ static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci)
 	capidrv_plci *plcip;
 	capidrv_ncci *p;
 
-	if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
+	if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
 		return NULL;
 
 	for (p = plcip->ncci_list; p; p = p->next)
@@ -441,7 +441,7 @@ static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
 	capidrv_plci *plcip;
 	capidrv_ncci *p;
 
-	if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
+	if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
 		return NULL;
 
 	for (p = plcip->ncci_list; p; p = p->next)
@@ -755,7 +755,7 @@ static inline int new_bchan(capidrv_contr * card)
 {
 	int i;
 	for (i = 0; i < card->nbchan; i++) {
-		if (card->bchans[i].plcip == 0) {
+		if (card->bchans[i].plcip == NULL) {
 			card->bchans[i].disconnecting = 0;
 			return i;
 		}
@@ -877,7 +877,7 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
 		return;
 	}
 	bchan = &card->bchans[chan];
-	if ((plcip = new_plci(card, chan)) == 0) {
+	if ((plcip = new_plci(card, chan)) == NULL) {
 		printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr);
 		return;
 	}
@@ -1661,7 +1661,7 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
 					      NULL,	/* Useruserdata */
 					      NULL	/* Facilitydataarray */
 			    );
-			if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) {
+			if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
 				cmd.command = ISDN_STAT_DHUP;
 				cmd.driver = card->myid;
 				cmd.arg = (c->arg % card->nbchan);
@@ -1966,7 +1966,7 @@ static void enable_dchannel_trace(capidrv_contr *card)
 			card->name, errcode);
 	   return;
 	}
-	if (strstr(manufacturer, "AVM") == 0) {
+	if (strstr(manufacturer, "AVM") == NULL) {
 	   printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
 			card->name, manufacturer);
 	   return;
@@ -2291,10 +2291,10 @@ static int __init capidrv_init(void)
 	u32 ncontr, contr;
 	u16 errcode;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strncpy(rev, p + 2, sizeof(rev));
 		rev[sizeof(rev)-1] = 0;
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
@@ -2335,10 +2335,10 @@ static void __exit capidrv_exit(void)
 	char rev[32];
 	char *p;
 
-	if ((p = strchr(revision, ':')) != 0) {
+	if ((p = strchr(revision, ':')) != NULL) {
 		strncpy(rev, p + 1, sizeof(rev));
 		rev[sizeof(rev)-1] = 0;
-		if ((p = strchr(rev, '$')) != 0)
+		if ((p = strchr(rev, '$')) != NULL)
 			*p = 0;
 	} else {
 		strcpy(rev, " ??? ");