[PATCH] sparse: NULL noise is mtd

0->NULL conversions in mtd

drivers/mtd/chips/amd_flash.c

@@ -718,7 +718,7 @@ static struct mtd_info *amd_flash_probe(struct map_info *map)
 		       "memory for MTD erase region info\n", map->name);
 		kfree(mtd);
 		map->fldrv_priv = NULL;
-		return 0;
+		return NULL;
 	}
 
 	reg_idx = 0;

drivers/mtd/chips/cfi_cmdset_0001.c

@@ -1424,7 +1424,7 @@ int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
 	ofs = instr->addr;
 	len = instr->len;
 
-	ret = cfi_intelext_varsize_frob(mtd, do_erase_oneblock, ofs, len, 0);
+	ret = cfi_intelext_varsize_frob(mtd, do_erase_oneblock, ofs, len, NULL);
 	if (ret)
 		return ret;
 

drivers/mtd/chips/jedec.c

@@ -128,7 +128,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
    {
       printk("mtd: Increase MAX_JEDEC_CHIPS, too many banks.\n");
       kfree(MTD);
-      return 0;
+      return NULL;
    }
    
    for (Base = 0; Base < map->size; Base += my_bank_size)
@@ -141,7 +141,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
 	 if (jedec_probe8(map,Base,priv) == 0) {
 		 printk("did recognize jedec chip\n");
 		 kfree(MTD);
-	         return 0;
+	         return NULL;
 	 }
       }
       if (map->buswidth == 2)
@@ -167,7 +167,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
       {
 	 printk("mtd: Failed. Device has incompatible mixed sector sizes\n");
 	 kfree(MTD);
-	 return 0;
+	 return NULL;
       }      
    }
    
@@ -193,7 +193,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
       {
 	 printk("mtd: Internal Error, JEDEC not set\n");
 	 kfree(MTD);
-	 return 0;
+	 return NULL;
       }
       
       if (Uniq != 0)
@@ -221,7 +221,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
    if (!priv->size) {
 	   printk("priv->size is zero\n");
 	   kfree(MTD);
-	   return 0;
+	   return NULL;
    }
    if (priv->size/my_bank_size) {
 	   if (priv->size/my_bank_size == 1) {
@@ -240,7 +240,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
 		      {
 			 printk("mtd: Failed. Cannot handle unsymmetric banking\n");
 			 kfree(MTD);
-			 return 0;
+			 return NULL;
 		      }      
 		   }
 	   }
@@ -385,7 +385,7 @@ static const struct JEDECTable *jedec_idtoinf(__u8 mfr,__u8 id)
    for (I = 0; JEDEC_table[I].jedec != 0; I++)
       if (JEDEC_table[I].jedec == Id)
 	 return JEDEC_table + I;
-   return 0;
+   return NULL;
 }
 
 // Look for flash using an 8 bit bus interface

drivers/mtd/chips/jedec_probe.c

@@ -1480,7 +1480,7 @@ static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
 	for (i=0; i<num_erase_regions; i++){
 		p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
 	}
-	p_cfi->cmdset_priv = 0;
+	p_cfi->cmdset_priv = NULL;
 
 	/* This may be redundant for some cases, but it doesn't hurt */
 	p_cfi->mfr = jedec_table[index].mfr_id;

drivers/mtd/cmdlinepart.c

@@ -94,7 +94,7 @@ static struct mtd_partition * newpart(char *s,
 		if (size < PAGE_SIZE)
 		{
 			printk(KERN_ERR ERRP "partition size too small (%lx)\n", size);
-			return 0;
+			return NULL;
 		}
 	}
 
@@ -121,7 +121,7 @@ static struct mtd_partition * newpart(char *s,
 		if ((p = strchr(name, delim)) == 0)
 		{
 			printk(KERN_ERR ERRP "no closing %c found in partition name\n", delim);
-			return 0;
+			return NULL;
 		}
 		name_len = p - name;
 		s = p + 1;
@@ -148,12 +148,12 @@ static struct mtd_partition * newpart(char *s,
 		if (size == SIZE_REMAINING)
 		{
 			printk(KERN_ERR ERRP "no partitions allowed after a fill-up partition\n");
-			return 0;
+			return NULL;
 		}
 		/* more partitions follow, parse them */
 		if ((parts = newpart(s + 1, &s, num_parts, 
 		                     this_part + 1, &extra_mem, extra_mem_size)) == 0)
-		  return 0;
+		  return NULL;
 	}
 	else
 	{	/* this is the last partition: allocate space for all */
@@ -166,7 +166,7 @@ static struct mtd_partition * newpart(char *s,
 		if (!parts)
 		{
 			printk(KERN_ERR ERRP "out of memory\n");
-			return 0;
+			return NULL;
 		}
 		memset(parts, 0, alloc_size);
 		extra_mem = (unsigned char *)(parts + *num_parts);

drivers/mtd/devices/doc2000.c

@@ -599,7 +599,7 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,
 		    size_t * retlen, u_char * buf)
 {
 	/* Just a special case of doc_read_ecc */
-	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, 0);
+	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, NULL);
 }
 
 static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
@@ -748,7 +748,7 @@ static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,
 		     size_t * retlen, const u_char * buf)
 {
 	char eccbuf[6];
-	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, 0);
+	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, NULL);
 }
 
 static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,

drivers/mtd/devices/doc2001.c

@@ -406,7 +406,7 @@ static int doc_read (struct mtd_info *mtd, loff_t from, size_t len,
 		     size_t *retlen, u_char *buf)
 {
 	/* Just a special case of doc_read_ecc */
-	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, 0);
+	return doc_read_ecc(mtd, from, len, retlen, buf, NULL, NULL);
 }
 
 static int doc_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
@@ -533,7 +533,7 @@ static int doc_write (struct mtd_info *mtd, loff_t to, size_t len,
 		      size_t *retlen, const u_char *buf)
 {
 	char eccbuf[6];
-	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, 0);
+	return doc_write_ecc(mtd, to, len, retlen, buf, eccbuf, NULL);
 }
 
 static int doc_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,

drivers/mtd/maps/amd76xrom.c

@@ -32,7 +32,7 @@ static struct amd76xrom_map_info amd76xrom_map = {
 		.size = 0,
 		.buswidth = 1,
 	},
-	.mtd = 0,
+	.mtd = NULL,
 	.window_addr = 0,
 };
 
@@ -53,7 +53,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
 	static const u32 rom_probe_sizes[] = { 
 		5*1024*1024, 4*1024*1024, 2*1024*1024, 1024*1024, 512*1024, 
 		256*1024, 128*1024, 64*1024, 0};
-	static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", 0 };
+	static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL };
 	u8 byte;
 	struct amd76xrom_map_info *info = &amd76xrom_map;
 	struct rom_window *window;
@@ -96,7 +96,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
 		printk(KERN_ERR "Failed to ioremap\n");
 		goto err_out_free_mmio_region;
 	}
-	info->mtd = 0;
+	info->mtd = NULL;
 	for(i = 0; (rom_size = rom_probe_sizes[i]); i++) {
 		char **chip_type;
 		if (rom_size > window->size) {
@@ -145,7 +145,7 @@ static void __devexit amd76xrom_remove_one (struct pci_dev *pdev)
 
 	del_mtd_device(info->mtd);
 	map_destroy(info->mtd);
-	info->mtd = 0;
+	info->mtd = NULL;
 	info->map.virt = 0;
 
 	iounmap((void *)(info->window_addr));
@@ -184,9 +184,9 @@ int __init init_amd76xrom(void)
 {
 	struct pci_dev *pdev;
 	struct pci_device_id *id;
-	pdev = 0;
+	pdev = NULL;
 	for(id = amd76xrom_pci_tbl; id->vendor; id++) {
-		pdev = pci_find_device(id->vendor, id->device, 0);
+		pdev = pci_find_device(id->vendor, id->device, NULL);
 		if (pdev) {
 			break;
 		}

drivers/mtd/maps/ich2rom.c

@@ -109,7 +109,7 @@ static struct ich2rom_map_info ich2rom_map = {
 		 * needs to use a different method.
 		 */
 	},
-	.mtd = 0,
+	.mtd = NULL,
 	.window_addr = 0,
 };
 
@@ -205,7 +205,7 @@ static int __devinit ich2rom_init_one (struct pci_dev *pdev,
 
 	/* FIXME select the firmware hub and enable a window to it. */
 
-	info->mtd = 0;
+	info->mtd = NULL;
 	info->map.map_priv_1 = 	info->window_addr;
 
 	map_size = ICH2_FWH_REGION_SIZE;
@@ -245,7 +245,7 @@ static void __devexit ich2rom_remove_one (struct pci_dev *pdev)
 
 	del_mtd_device(info->mtd);
 	map_destroy(info->mtd);
-	info->mtd = 0;
+	info->mtd = NULL;
 	info->map.map_priv_1 = 0;
 
 	iounmap((void *)(info->window_addr));
@@ -286,9 +286,9 @@ int __init init_ich2rom(void)
 {
 	struct pci_dev *pdev;
 	struct pci_device_id *id;
-	pdev = 0;
+	pdev = NULL;
 	for(id = ich2rom_pci_tbl; id->vendor; id++) {
-		pdev = pci_find_device(id->vendor, id->device, 0);
+		pdev = pci_find_device(id->vendor, id->device, NULL);
 		if (pdev) {
 			break;
 		}

drivers/mtd/maps/physmap.c

@@ -66,7 +66,7 @@ const char *part_probes[] = {"cmdlinepart", "RedBoot", NULL};
 
 int __init init_physmap(void)
 {
-	static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", 0 };
+	static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL };
 	const char **type;
 
        	printk(KERN_NOTICE "physmap flash device: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
@@ -79,7 +79,7 @@ int __init init_physmap(void)
 
 	simple_map_init(&physmap_map);
 
-	mymtd = 0;
+	mymtd = NULL;
 	type = rom_probe_types;
 	for(; !mymtd && *type; type++) {
 		mymtd = do_map_probe(*type, &physmap_map);

drivers/mtd/mtdcore.c

@@ -409,7 +409,7 @@ int __init init_mtd(void)
 {
 #ifdef CONFIG_PROC_FS
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
-	if ((proc_mtd = create_proc_entry( "mtd", 0, 0 )))
+	if ((proc_mtd = create_proc_entry( "mtd", 0, NULL )))
 	  proc_mtd->read_proc = mtd_read_proc;
 #else
         proc_register_dynamic(&proc_root,&mtd_proc_entry);
@@ -438,7 +438,7 @@ static void __exit cleanup_mtd(void)
 #ifdef CONFIG_PROC_FS
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
         if (proc_mtd)
-          remove_proc_entry( "mtd", 0);
+          remove_proc_entry( "mtd", NULL);
 #else
         proc_unregister(&proc_root,mtd_proc_entry.low_ino);
 #endif

drivers/mtd/nand/nand.c

@@ -966,7 +966,7 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *
 static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, 
 		loff_t to, size_t * retlen)
 {
-	return (nand_writev_ecc (mtd, vecs, count, to, retlen, NULL, 0));	
+	return (nand_writev_ecc (mtd, vecs, count, to, retlen, NULL, NULL));	
 }
 
 static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count,