[PATCH] sparse: remaining integer zero / NULL fixes in allmodconfig & vmlinux

This fixes the the remaining 0 to NULL things that were found with 'make
allmodconfig' and 'make C=1 vmlinux'.

drivers/acpi/namespace/nsdumpdv.c

@@ -128,7 +128,7 @@ acpi_ns_dump_root_devices (void)
 		return;
 	}
 
-	status = acpi_get_handle (0, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
+	status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
 	if (ACPI_FAILURE (status)) {
 		return;
 	}

drivers/char/hpet.c

@@ -328,7 +328,7 @@ static int hpet_release(struct inode *inode, struct file *file)
 	if (file->f_flags & FASYNC)
 		hpet_fasync(-1, file, 0);
 
-	file->private_data = 0;
+	file->private_data = NULL;
 	return 0;
 }
 
@@ -559,7 +559,7 @@ int hpet_register(struct hpet_task *tp, int periodic)
 	spin_lock_irq(&hpet_task_lock);
 	spin_lock(&hpet_lock);
 
-	for (devp = 0, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next)
+	for (devp = NULL, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next)
 		for (timer = hpetp->hp_hpet->hpet_timers, i = 0;
 		     i < hpetp->hp_ntimer; i++, timer++) {
 			if ((readq(&timer->hpet_config) & Tn_PER_INT_CAP_MASK)
@@ -569,7 +569,7 @@ int hpet_register(struct hpet_task *tp, int periodic)
 			devp = &hpetp->hp_dev[i];
 
 			if (devp->hd_flags & HPET_OPEN || devp->hd_task) {
-				devp = 0;
+				devp = NULL;
 				continue;
 			}
 
@@ -629,7 +629,7 @@ int hpet_unregister(struct hpet_task *tp)
 	writeq((readq(&timer->hpet_config) & ~Tn_INT_ENB_CNF_MASK),
 	       &timer->hpet_config);
 	devp->hd_flags &= ~(HPET_IE | HPET_PERIODIC);
-	devp->hd_task = 0;
+	devp->hd_task = NULL;
 	spin_unlock(&hpet_lock);
 	spin_unlock_irq(&hpet_task_lock);
 
@@ -739,14 +739,13 @@ static struct ctl_table_header *sysctl_header;
 
 static unsigned long __init hpet_calibrate(struct hpets *hpetp)
 {
-	struct hpet_timer *timer;
+	struct hpet_timer *timer = NULL;
 	unsigned long t, m, count, i, flags, start;
 	struct hpet_dev *devp;
 	int j;
 	struct hpet *hpet;
 
-	for (timer = 0, j = 0, devp = hpetp->hp_dev; j < hpetp->hp_ntimer;
-	     j++, devp++)
+	for (j = 0, devp = hpetp->hp_dev; j < hpetp->hp_ntimer; j++, devp++)
 		if ((devp->hd_flags & HPET_OPEN) == 0) {
 			timer = devp->hd_timer;
 			break;

drivers/video/imsttfb.c

@@ -500,7 +500,7 @@ compute_imstt_regvals_ibm(struct imstt_par *par, int xres, int yres)
 			MHz = 200;
 			break;
 		default:
-			return 0;
+			return NULL;
 	}
 
 	setclkMHz(par, MHz);
@@ -547,7 +547,7 @@ compute_imstt_regvals_tvp(struct imstt_par *par, int xres, int yres)
 			init = yres == 960 ? &tvp_reg_init_19 : &tvp_reg_init_20;
 			break;
 		default:
-			return 0;
+			return NULL;
 	}
 	par->init = *init;
 	return init;

drivers/video/logo/logo.c

@@ -35,7 +35,7 @@ extern const struct linux_logo logo_superh_clut224;
 
 const struct linux_logo *fb_find_logo(int depth)
 {
-	const struct linux_logo *logo = 0;
+	const struct linux_logo *logo = NULL;
 
 	if (depth >= 1) {
 #ifdef CONFIG_LOGO_LINUX_MONO

drivers/video/vesafb.c

@@ -52,7 +52,7 @@ static int             mtrr      = 1;
 static int	       vram __initdata = 0; /* Set amount of memory to be used */
 static int             pmi_setpal = 0;	/* pmi for palette changes ??? */
 static int             ypan       = 0;  /* 0..nothing, 1..ypan, 2..ywrap */
-static unsigned short  *pmi_base  = 0;
+static unsigned short  *pmi_base  = NULL;
 static void            (*pmi_start)(void);
 static void            (*pmi_pal)(void);
 

kernel/power/poweroff.c

@@ -21,7 +21,7 @@ static void do_poweroff(void *dummy)
 		pm_power_off();
 }
 
-static DECLARE_WORK(poweroff_work, do_poweroff, 0);
+static DECLARE_WORK(poweroff_work, do_poweroff, NULL);
 
 static void handle_poweroff(int key, struct pt_regs *pt_regs,
 				struct tty_struct *tty)

mm/page_alloc.c

@@ -122,7 +122,7 @@ static void prep_compound_page(struct page *page, unsigned long order)
 	int i;
 	int nr_pages = 1 << order;
 
-	page[1].mapping = 0;
+	page[1].mapping = NULL;
 	page[1].index = order;
 	for (i = 0; i < nr_pages; i++) {
 		struct page *p = page + i;

net/core/netpoll.c

@@ -237,14 +237,14 @@ static void arp_reply(struct sk_buff *skb)
 	struct sk_buff *send_skb;
 	unsigned long flags;
 	struct list_head *p;
-	struct netpoll *np = 0;
+	struct netpoll *np = NULL;
 
 	spin_lock_irqsave(&rx_list_lock, flags);
 	list_for_each(p, &rx_list) {
 		np = list_entry(p, struct netpoll, rx_list);
 		if ( np->dev == skb->dev )
 			break;
-		np = 0;
+		np = NULL;
 	}
 	spin_unlock_irqrestore(&rx_list_lock, flags);
 
@@ -411,7 +411,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 		if ((delim = strchr(cur, '@')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->local_port=simple_strtol(cur, 0, 10);
+		np->local_port=simple_strtol(cur, NULL, 10);
 		cur=delim;
 	}
 	cur++;
@@ -446,7 +446,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 		if ((delim = strchr(cur, '@')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->remote_port=simple_strtol(cur, 0, 10);
+		np->remote_port=simple_strtol(cur, NULL, 10);
 		cur=delim;
 	}
 	cur++;
@@ -468,29 +468,29 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 		if ((delim = strchr(cur, ':')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->remote_mac[0]=simple_strtol(cur, 0, 16);
+		np->remote_mac[0]=simple_strtol(cur, NULL, 16);
 		cur=delim+1;
 		if ((delim = strchr(cur, ':')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->remote_mac[1]=simple_strtol(cur, 0, 16);
+		np->remote_mac[1]=simple_strtol(cur, NULL, 16);
 		cur=delim+1;
 		if ((delim = strchr(cur, ':')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->remote_mac[2]=simple_strtol(cur, 0, 16);
+		np->remote_mac[2]=simple_strtol(cur, NULL, 16);
 		cur=delim+1;
 		if ((delim = strchr(cur, ':')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->remote_mac[3]=simple_strtol(cur, 0, 16);
+		np->remote_mac[3]=simple_strtol(cur, NULL, 16);
 		cur=delim+1;
 		if ((delim = strchr(cur, ':')) == NULL)
 			goto parse_failed;
 		*delim=0;
-		np->remote_mac[4]=simple_strtol(cur, 0, 16);
+		np->remote_mac[4]=simple_strtol(cur, NULL, 16);
 		cur=delim+1;
-		np->remote_mac[5]=simple_strtol(cur, 0, 16);
+		np->remote_mac[5]=simple_strtol(cur, NULL, 16);
 	}
 
 	printk(KERN_INFO "%s: remote ethernet address "
@@ -620,7 +620,7 @@ void netpoll_cleanup(struct netpoll *np)
 	}
 
 	dev_put(np->dev);
-	np->dev = 0;
+	np->dev = NULL;
 }
 
 int netpoll_trap(void)