diff options
Diffstat (limited to 'drivers/mtd')
40 files changed, 52 insertions, 123 deletions
diff --git a/drivers/mtd/afs.c b/drivers/mtd/afs.c index 6a45be04564b..52d51eb91c16 100644 --- a/drivers/mtd/afs.c +++ b/drivers/mtd/afs.c @@ -207,11 +207,10 @@ static int parse_afs_partitions(struct mtd_info *mtd, if (!sz) return ret; - parts = kmalloc(sz, GFP_KERNEL); + parts = kzalloc(sz, GFP_KERNEL); if (!parts) return -ENOMEM; - memset(parts, 0, sz); str = (char *)(parts + idx); /* diff --git a/drivers/mtd/chips/amd_flash.c b/drivers/mtd/chips/amd_flash.c index 16eaca69fb5a..e7999f15d85a 100644 --- a/drivers/mtd/chips/amd_flash.c +++ b/drivers/mtd/chips/amd_flash.c @@ -643,13 +643,12 @@ static struct mtd_info *amd_flash_probe(struct map_info *map) int reg_idx; int offset; - mtd = (struct mtd_info*)kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) { printk(KERN_WARNING "%s: kmalloc failed for info structure\n", map->name); return NULL; } - memset(mtd, 0, sizeof(*mtd)); mtd->priv = map; memset(&temp, 0, sizeof(temp)); diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index e24973636e61..11de54535526 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -337,12 +337,11 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) struct mtd_info *mtd; int i; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) { printk(KERN_ERR "Failed to allocate memory for MTD device\n"); return NULL; } - memset(mtd, 0, sizeof(*mtd)); mtd->priv = map; mtd->type = MTD_NORFLASH; diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index ca0882b5819f..e3acd398fb37 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -257,12 +257,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) struct mtd_info *mtd; int i; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) { printk(KERN_WARNING "Failed to allocate memory for MTD device\n"); return NULL; } - memset(mtd, 0, sizeof(*mtd)); mtd->priv = map; mtd->type = MTD_NORFLASH; diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c index fae70a5db540..d56849f5f107 100644 --- a/drivers/mtd/chips/cfi_cmdset_0020.c +++ b/drivers/mtd/chips/cfi_cmdset_0020.c @@ -172,7 +172,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map) int i,j; unsigned long devsize = (1<<cfi->cfiq->DevSize) * cfi->interleave; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); //printk(KERN_DEBUG "number of CFI chips: %d\n", cfi->numchips); if (!mtd) { @@ -181,7 +181,6 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map) return NULL; } - memset(mtd, 0, sizeof(*mtd)); mtd->priv = map; mtd->type = MTD_NORFLASH; mtd->size = devsize * cfi->numchips; diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c index cdb0f590b40c..77843d560ae4 100644 --- a/drivers/mtd/chips/gen_probe.c +++ b/drivers/mtd/chips/gen_probe.c @@ -113,13 +113,12 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi } mapsize = (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG; - chip_map = kmalloc(mapsize, GFP_KERNEL); + chip_map = kzalloc(mapsize, GFP_KERNEL); if (!chip_map) { printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name); kfree(cfi.cfiq); return NULL; } - memset (chip_map, 0, mapsize); set_bit(0, chip_map); /* Mark first chip valid */ diff --git a/drivers/mtd/chips/jedec.c b/drivers/mtd/chips/jedec.c index 2c3f019197c1..14e57b2bf842 100644 --- a/drivers/mtd/chips/jedec.c +++ b/drivers/mtd/chips/jedec.c @@ -116,11 +116,10 @@ static struct mtd_info *jedec_probe(struct map_info *map) char Part[200]; memset(&priv,0,sizeof(priv)); - MTD = kmalloc(sizeof(struct mtd_info) + sizeof(struct jedec_private), GFP_KERNEL); + MTD = kzalloc(sizeof(struct mtd_info) + sizeof(struct jedec_private), GFP_KERNEL); if (!MTD) return NULL; - memset(MTD, 0, sizeof(struct mtd_info) + sizeof(struct jedec_private)); priv = (struct jedec_private *)&MTD[1]; my_bank_size = map->size; diff --git a/drivers/mtd/chips/map_absent.c b/drivers/mtd/chips/map_absent.c index ac01a949b687..fc478c0f93f5 100644 --- a/drivers/mtd/chips/map_absent.c +++ b/drivers/mtd/chips/map_absent.c @@ -47,13 +47,11 @@ static struct mtd_info *map_absent_probe(struct map_info *map) { struct mtd_info *mtd; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) { return NULL; } - memset(mtd, 0, sizeof(*mtd)); - map->fldrv = &map_absent_chipdrv; mtd->priv = map; mtd->name = map->name; diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c index 3a66680abfd0..5cb6d5263661 100644 --- a/drivers/mtd/chips/map_ram.c +++ b/drivers/mtd/chips/map_ram.c @@ -55,12 +55,10 @@ static struct mtd_info *map_ram_probe(struct map_info *map) #endif /* OK. It seems to be RAM. */ - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) return NULL; - memset(mtd, 0, sizeof(*mtd)); - map->fldrv = &mapram_chipdrv; mtd->priv = map; mtd->name = map->name; diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c index 1b328b1378fd..cb27f855074c 100644 --- a/drivers/mtd/chips/map_rom.c +++ b/drivers/mtd/chips/map_rom.c @@ -31,12 +31,10 @@ static struct mtd_info *map_rom_probe(struct map_info *map) { struct mtd_info *mtd; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) return NULL; - memset(mtd, 0, sizeof(*mtd)); - map->fldrv = &maprom_chipdrv; mtd->priv = map; mtd->name = map->name; diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c index 967abbecdff9..c9cd3d21ccfa 100644 --- a/drivers/mtd/chips/sharp.c +++ b/drivers/mtd/chips/sharp.c @@ -112,18 +112,16 @@ static struct mtd_info *sharp_probe(struct map_info *map) struct sharp_info *sharp = NULL; int width; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if(!mtd) return NULL; - sharp = kmalloc(sizeof(*sharp), GFP_KERNEL); + sharp = kzalloc(sizeof(*sharp), GFP_KERNEL); if(!sharp) { kfree(mtd); return NULL; } - memset(mtd, 0, sizeof(*mtd)); - width = sharp_probe_map(map,mtd); if(!width){ kfree(mtd); @@ -143,7 +141,6 @@ static struct mtd_info *sharp_probe(struct map_info *map) mtd->writesize = 1; mtd->name = map->name; - memset(sharp, 0, sizeof(*sharp)); sharp->chipshift = 23; sharp->numchips = 1; sharp->chips[0].start = 0; diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index 3402ce448702..23fab14f1637 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -163,13 +163,12 @@ static struct mtd_partition * newpart(char *s, *num_parts = this_part + 1; alloc_size = *num_parts * sizeof(struct mtd_partition) + extra_mem_size; - parts = kmalloc(alloc_size, GFP_KERNEL); + parts = kzalloc(alloc_size, GFP_KERNEL); if (!parts) { printk(KERN_ERR ERRP "out of memory\n"); return NULL; } - memset(parts, 0, alloc_size); extra_mem = (unsigned char *)(parts + *num_parts); } /* enter this partition (offset will be calculated later if it is zero at this point) */ diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index 401c6a294baa..6d917a4daa9d 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -295,10 +295,9 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size) if (!devname) return NULL; - dev = kmalloc(sizeof(struct block2mtd_dev), GFP_KERNEL); + dev = kzalloc(sizeof(struct block2mtd_dev), GFP_KERNEL); if (!dev) return NULL; - memset(dev, 0, sizeof(*dev)); /* Get a handle on the device */ bdev = open_bdev_excl(devname, O_RDWR, NULL); diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c index 08dfb899b272..9cff119a2024 100644 --- a/drivers/mtd/devices/ms02-nv.c +++ b/drivers/mtd/devices/ms02-nv.c @@ -131,11 +131,10 @@ static int __init ms02nv_init_one(ulong addr) int ret = -ENODEV; /* The module decodes 8MiB of address space. */ - mod_res = kmalloc(sizeof(*mod_res), GFP_KERNEL); + mod_res = kzalloc(sizeof(*mod_res), GFP_KERNEL); if (!mod_res) return -ENOMEM; - memset(mod_res, 0, sizeof(*mod_res)); mod_res->name = ms02nv_name; mod_res->start = addr; mod_res->end = addr + MS02NV_SLOT_SIZE - 1; @@ -153,24 +152,21 @@ static int __init ms02nv_init_one(ulong addr) } ret = -ENOMEM; - mtd = kmalloc(sizeof(*mtd), GFP_KERNEL); + mtd = kzalloc(sizeof(*mtd), GFP_KERNEL); if (!mtd) goto err_out_mod_res_rel; - memset(mtd, 0, sizeof(*mtd)); - mp = kmalloc(sizeof(*mp), GFP_KERNEL); + mp = kzalloc(sizeof(*mp), GFP_KERNEL); if (!mp) goto err_out_mtd; - memset(mp, 0, sizeof(*mp)); mtd->priv = mp; mp->resource.module = mod_res; /* Firmware's diagnostic NVRAM area. */ - diag_res = kmalloc(sizeof(*diag_res), GFP_KERNEL); + diag_res = kzalloc(sizeof(*diag_res), GFP_KERNEL); if (!diag_res) goto err_out_mp; - memset(diag_res, 0, sizeof(*diag_res)); diag_res->name = ms02nv_res_diag_ram; diag_res->start = addr; diag_res->end = addr + MS02NV_RAM - 1; @@ -180,11 +176,10 @@ static int __init ms02nv_init_one(ulong addr) mp->resource.diag_ram = diag_res; /* User-available general-purpose NVRAM area. */ - user_res = kmalloc(sizeof(*user_res), GFP_KERNEL); + user_res = kzalloc(sizeof(*user_res), GFP_KERNEL); if (!user_res) goto err_out_diag_res; - memset(user_res, 0, sizeof(*user_res)); user_res->name = ms02nv_res_user_ram; user_res->start = addr + MS02NV_RAM; user_res->end = addr + size - 1; @@ -194,11 +189,10 @@ static int __init ms02nv_init_one(ulong addr) mp->resource.user_ram = user_res; /* Control and status register. */ - csr_res = kmalloc(sizeof(*csr_res), GFP_KERNEL); + csr_res = kzalloc(sizeof(*csr_res), GFP_KERNEL); if (!csr_res) goto err_out_user_res; - memset(csr_res, 0, sizeof(*csr_res)); csr_res->name = ms02nv_res_csr; csr_res->start = addr + MS02NV_CSR; csr_res->end = addr + MS02NV_CSR + 3; diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index 6c7337f9ebbb..56cc1ca7ffd5 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -126,12 +126,10 @@ static int register_device(char *name, unsigned long start, unsigned long len) struct phram_mtd_list *new; int ret = -ENOMEM; - new = kmalloc(sizeof(*new), GFP_KERNEL); + new = kzalloc(sizeof(*new), GFP_KERNEL); if (!new) goto out0; - memset(new, 0, sizeof(*new)); - ret = -EIO; new->mtd.priv = ioremap(start, len); if (!new->mtd.priv) { diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 542a0c009006..5f49248a4856 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -168,19 +168,16 @@ static int register_device(char *name, unsigned long start, unsigned long length E("slram: Cannot allocate new MTD device.\n"); return(-ENOMEM); } - (*curmtd)->mtdinfo = kmalloc(sizeof(struct mtd_info), GFP_KERNEL); + (*curmtd)->mtdinfo = kzalloc(sizeof(struct mtd_info), GFP_KERNEL); (*curmtd)->next = NULL; if ((*curmtd)->mtdinfo) { - memset((char *)(*curmtd)->mtdinfo, 0, sizeof(struct mtd_info)); (*curmtd)->mtdinfo->priv = - kmalloc(sizeof(slram_priv_t), GFP_KERNEL); + kzalloc(sizeof(slram_priv_t), GFP_KERNEL); if (!(*curmtd)->mtdinfo->priv) { kfree((*curmtd)->mtdinfo); (*curmtd)->mtdinfo = NULL; - } else { - memset((*curmtd)->mtdinfo->priv,0,sizeof(slram_priv_t)); } } diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c index da39355132d8..24235d4f1d23 100644 --- a/drivers/mtd/ftl.c +++ b/drivers/mtd/ftl.c @@ -1033,7 +1033,7 @@ static void ftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) { partition_t *partition; - partition = kmalloc(sizeof(partition_t), GFP_KERNEL); + partition = kzalloc(sizeof(partition_t), GFP_KERNEL); if (!partition) { printk(KERN_WARNING "No memory to scan for FTL on %s\n", @@ -1041,8 +1041,6 @@ static void ftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) return; } - memset(partition, 0, sizeof(partition_t)); - partition->mbd.mtd = mtd; if ((scan_header(partition) == 0) && diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c index d2f54c037e0f..b0e396504e67 100644 --- a/drivers/mtd/inftlcore.c +++ b/drivers/mtd/inftlcore.c @@ -67,13 +67,12 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) DEBUG(MTD_DEBUG_LEVEL3, "INFTL: add_mtd for %s\n", mtd->name); - inftl = kmalloc(sizeof(*inftl), GFP_KERNEL); + inftl = kzalloc(sizeof(*inftl), GFP_KERNEL); if (!inftl) { printk(KERN_WARNING "INFTL: Out of memory for data structures\n"); return; } - memset(inftl, 0, sizeof(*inftl)); inftl->mbd.mtd = mtd; inftl->mbd.devnum = -1; diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c index 0402c21e291d..629e6e2641a8 100644 --- a/drivers/mtd/maps/ceiva.c +++ b/drivers/mtd/maps/ceiva.c @@ -122,10 +122,9 @@ static int __init clps_setup_mtd(struct clps_info *clps, int nr, struct mtd_info /* * Allocate the map_info structs in one go. */ - maps = kmalloc(sizeof(struct map_info) * nr, GFP_KERNEL); + maps = kzalloc(sizeof(struct map_info) * nr, GFP_KERNEL); if (!maps) return -ENOMEM; - memset(maps, 0, sizeof(struct map_info) * nr); /* * Claim and then map the memory regions. */ diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c index c8db01b3e45f..6946d802e6f6 100644 --- a/drivers/mtd/maps/integrator-flash.c +++ b/drivers/mtd/maps/integrator-flash.c @@ -75,14 +75,12 @@ static int armflash_probe(struct platform_device *dev) int err; void __iomem *base; - info = kmalloc(sizeof(struct armflash_info), GFP_KERNEL); + info = kzalloc(sizeof(struct armflash_info), GFP_KERNEL); if (!info) { err = -ENOMEM; goto out; } - memset(info, 0, sizeof(struct armflash_info)); - info->plat = plat; if (plat && plat->init) { err = plat->init(); diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c index 418afffb2d80..e8d9ae535673 100644 --- a/drivers/mtd/maps/omap_nor.c +++ b/drivers/mtd/maps/omap_nor.c @@ -78,12 +78,10 @@ static int __devinit omapflash_probe(struct platform_device *pdev) struct resource *res = pdev->resource; unsigned long size = res->end - res->start + 1; - info = kmalloc(sizeof(struct omapflash_info), GFP_KERNEL); + info = kzalloc(sizeof(struct omapflash_info), GFP_KERNEL); if (!info) return -ENOMEM; - memset(info, 0, sizeof(struct omapflash_info)); - if (!request_mem_region(res->start, size, "flash")) { err = -EBUSY; goto out_free_info; diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index 995347b1beba..eaeb56a4070a 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -735,11 +735,10 @@ static int pcmciamtd_probe(struct pcmcia_device *link) struct pcmciamtd_dev *dev; /* Create new memory card device */ - dev = kmalloc(sizeof(*dev), GFP_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; DEBUG(1, "dev=0x%p", dev); - memset(dev, 0, sizeof(*dev)); dev->p_dev = link; link->priv = dev; diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index bb67c505b1a5..28c5ffd75233 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -92,12 +92,11 @@ static int physmap_flash_probe(struct platform_device *dev) (unsigned long long)(dev->resource->end - dev->resource->start + 1), (unsigned long long)dev->resource->start); - info = kmalloc(sizeof(struct physmap_flash_info), GFP_KERNEL); + info = kzalloc(sizeof(struct physmap_flash_info), GFP_KERNEL); if (info == NULL) { err = -ENOMEM; goto err_out; } - memset(info, 0, sizeof(*info)); platform_set_drvdata(dev, info); diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c index 5d3c75451ca2..2b6504ecbbd1 100644 --- a/drivers/mtd/maps/plat-ram.c +++ b/drivers/mtd/maps/plat-ram.c @@ -147,14 +147,13 @@ static int platram_probe(struct platform_device *pdev) pdata = pdev->dev.platform_data; - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) { dev_err(&pdev->dev, "no memory for flash info\n"); err = -ENOMEM; goto exit_error; } - memset(info, 0, sizeof(*info)); platform_set_drvdata(pdev, info); info->dev = &pdev->dev; diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index 950bf1c57841..f904e6bd02e0 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -273,14 +273,12 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) /* * Allocate the map_info structs in one go. */ - info = kmalloc(size, GFP_KERNEL); + info = kzalloc(size, GFP_KERNEL); if (!info) { ret = -ENOMEM; goto out; } - memset(info, 0, size); - if (plat->init) { ret = plat->init(); if (ret) diff --git a/drivers/mtd/maps/tqm834x.c b/drivers/mtd/maps/tqm834x.c index 58e5912bd381..9adc970e55e6 100644 --- a/drivers/mtd/maps/tqm834x.c +++ b/drivers/mtd/maps/tqm834x.c @@ -132,20 +132,16 @@ static int __init init_tqm834x_mtd(void) pr_debug("%s: chip probing count %d\n", __FUNCTION__, idx); - map_banks[idx] = - (struct map_info *)kmalloc(sizeof(struct map_info), - GFP_KERNEL); + map_banks[idx] = kzalloc(sizeof(struct map_info), GFP_KERNEL); if (map_banks[idx] == NULL) { ret = -ENOMEM; goto error_mem; } - memset((void *)map_banks[idx], 0, sizeof(struct map_info)); - map_banks[idx]->name = (char *)kmalloc(16, GFP_KERNEL); + map_banks[idx]->name = kzalloc(16, GFP_KERNEL); if (map_banks[idx]->name == NULL) { ret = -ENOMEM; goto error_mem; } - memset((void *)map_banks[idx]->name, 0, 16); sprintf(map_banks[idx]->name, "TQM834x-%d", idx); map_banks[idx]->size = flash_size; diff --git a/drivers/mtd/maps/tqm8xxl.c b/drivers/mtd/maps/tqm8xxl.c index 19578ba84ee8..37e4ded9b600 100644 --- a/drivers/mtd/maps/tqm8xxl.c +++ b/drivers/mtd/maps/tqm8xxl.c @@ -134,14 +134,13 @@ int __init init_tqm_mtd(void) printk(KERN_INFO "%s: chip probing count %d\n", __FUNCTION__, idx); - map_banks[idx] = (struct map_info *)kmalloc(sizeof(struct map_info), GFP_KERNEL); + map_banks[idx] = kzalloc(sizeof(struct map_info), GFP_KERNEL); if(map_banks[idx] == NULL) { ret = -ENOMEM; /* FIXME: What if some MTD devices were probed already? */ goto error_mem; } - memset((void *)map_banks[idx], 0, sizeof(struct map_info)); map_banks[idx]->name = (char *)kmalloc(16, GFP_KERNEL); if (!map_banks[idx]->name) { diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index b5d62cb357da..b879a66daa9e 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -373,12 +373,10 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) if (!blktrans_notifier.list.next) register_mtd_user(&blktrans_notifier); - tr->blkcore_priv = kmalloc(sizeof(*tr->blkcore_priv), GFP_KERNEL); + tr->blkcore_priv = kzalloc(sizeof(*tr->blkcore_priv), GFP_KERNEL); if (!tr->blkcore_priv) return -ENOMEM; - memset(tr->blkcore_priv, 0, sizeof(*tr->blkcore_priv)); - mutex_lock(&mtd_table_mutex); ret = register_blkdev(tr->major, tr->name); diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c index a052648f6e31..952da30b1745 100644 --- a/drivers/mtd/mtdblock.c +++ b/drivers/mtd/mtdblock.c @@ -278,11 +278,10 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd) } /* OK, it's not open. Create cache info for it */ - mtdblk = kmalloc(sizeof(struct mtdblk_dev), GFP_KERNEL); + mtdblk = kzalloc(sizeof(struct mtdblk_dev), GFP_KERNEL); if (!mtdblk) return -ENOMEM; - memset(mtdblk, 0, sizeof(*mtdblk)); mtdblk->count = 1; mtdblk->mtd = mtd; @@ -339,13 +338,11 @@ static int mtdblock_flush(struct mtd_blktrans_dev *dev) static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) { - struct mtd_blktrans_dev *dev = kmalloc(sizeof(*dev), GFP_KERNEL); + struct mtd_blktrans_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return; - memset(dev, 0, sizeof(*dev)); - dev->mtd = mtd; dev->devnum = mtd->index; diff --git a/drivers/mtd/mtdblock_ro.c b/drivers/mtd/mtdblock_ro.c index 642ccc66f283..f79dbb49b1a2 100644 --- a/drivers/mtd/mtdblock_ro.c +++ b/drivers/mtd/mtdblock_ro.c @@ -33,13 +33,11 @@ static int mtdblock_writesect(struct mtd_blktrans_dev *dev, static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) { - struct mtd_blktrans_dev *dev = kmalloc(sizeof(*dev), GFP_KERNEL); + struct mtd_blktrans_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return; - memset(dev, 0, sizeof(*dev)); - dev->mtd = mtd; dev->devnum = mtd->index; diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 07618f51d969..7c4adc641328 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -431,7 +431,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file, if(!(file->f_mode & 2)) return -EPERM; - erase=kmalloc(sizeof(struct erase_info),GFP_KERNEL); + erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL); if (!erase) ret = -ENOMEM; else { @@ -440,7 +440,6 @@ static int mtd_ioctl(struct inode *inode, struct file *file, init_waitqueue_head(&waitq); - memset (erase,0,sizeof(struct erase_info)); if (copy_from_user(&erase->addr, argp, sizeof(struct erase_info_user))) { kfree(erase); diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index cf927a8803e7..ec51483b1c51 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -708,14 +708,13 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c /* allocate the device structure */ size = SIZEOF_STRUCT_MTD_CONCAT(num_devs); - concat = kmalloc(size, GFP_KERNEL); + concat = kzalloc(size, GFP_KERNEL); if (!concat) { printk ("memory allocation error while creating concatenated device \"%s\"\n", name); return NULL; } - memset(concat, 0, size); concat->subdev = (struct mtd_info **) (concat + 1); /* diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index a20f75fd8d61..89692f898ef4 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -323,14 +323,13 @@ int add_mtd_partitions(struct mtd_info *master, for (i = 0; i < nbparts; i++) { /* allocate the partition structure */ - slave = kmalloc (sizeof(*slave), GFP_KERNEL); + slave = kzalloc (sizeof(*slave), GFP_KERNEL); if (!slave) { printk ("memory allocation error while creating partitions for \"%s\"\n", master->name); del_mtd_partitions(master); return -ENOMEM; } - memset(slave, 0, sizeof(*slave)); list_add(&slave->list, &mtd_partitions); /* set up the MTD object for this partition */ diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index 6107f532855b..12608c13cce5 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -1635,13 +1635,12 @@ static int __init doc_probe(unsigned long physadr) len = sizeof(struct mtd_info) + sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr)); - mtd = kmalloc(len, GFP_KERNEL); + mtd = kzalloc(len, GFP_KERNEL); if (!mtd) { printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len); ret = -ENOMEM; goto fail; } - memset(mtd, 0, len); nand = (struct nand_chip *) (mtd + 1); doc = (struct doc_priv *) (nand + 1); diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index 4e74fe9af29e..5e121ceaa598 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c @@ -960,14 +960,12 @@ int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd) struct nand_bbt_descr *md = this->bbt_md; len = mtd->size >> (this->bbt_erase_shift + 2); - /* Allocate memory (2bit per block) */ - this->bbt = kmalloc(len, GFP_KERNEL); + /* Allocate memory (2bit per block) and clear the memory bad block table */ + this->bbt = kzalloc(len, GFP_KERNEL); if (!this->bbt) { printk(KERN_ERR "nand_scan_bbt: Out of memory\n"); return -ENOMEM; } - /* Clear the memory bad block table */ - memset(this->bbt, 0x00, len); /* If no primary table decriptor is given, scan the device * to build a memory based bad block table diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index abebcab47631..3d39451ae8f5 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -1511,14 +1511,12 @@ static int __init ns_init_module(void) } /* Allocate and initialize mtd_info, nand_chip and nandsim structures */ - nsmtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip) + nsmtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip) + sizeof(struct nandsim), GFP_KERNEL); if (!nsmtd) { NS_ERR("unable to allocate core structures.\n"); return -ENOMEM; } - memset(nsmtd, 0, sizeof(struct mtd_info) + sizeof(struct nand_chip) + - sizeof(struct nandsim)); chip = (struct nand_chip *)(nsmtd + 1); nsmtd->priv = (void *)chip; nand = (struct nandsim *)(chip + 1); diff --git a/drivers/mtd/nftlcore.c b/drivers/mtd/nftlcore.c index f4d38546068f..4b1ba4fcfcd3 100644 --- a/drivers/mtd/nftlcore.c +++ b/drivers/mtd/nftlcore.c @@ -57,13 +57,12 @@ static void nftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) DEBUG(MTD_DEBUG_LEVEL1, "NFTL: add_mtd for %s\n", mtd->name); - nftl = kmalloc(sizeof(struct NFTLrecord), GFP_KERNEL); + nftl = kzalloc(sizeof(struct NFTLrecord), GFP_KERNEL); if (!nftl) { printk(KERN_WARNING "NFTL: out of memory for data structures\n"); return; } - memset(nftl, 0, sizeof(*nftl)); nftl->mbd.mtd = mtd; nftl->mbd.devnum = -1; diff --git a/drivers/mtd/onenand/generic.c b/drivers/mtd/onenand/generic.c index af06a80f44de..53eb5632bdbb 100644 --- a/drivers/mtd/onenand/generic.c +++ b/drivers/mtd/onenand/generic.c @@ -45,12 +45,10 @@ static int __devinit generic_onenand_probe(struct device *dev) unsigned long size = res->end - res->start + 1; int err; - info = kmalloc(sizeof(struct onenand_info), GFP_KERNEL); + info = kzalloc(sizeof(struct onenand_info), GFP_KERNEL); if (!info) return -ENOMEM; - memset(info, 0, sizeof(struct onenand_info)); - if (!request_mem_region(res->start, size, dev->driver->name)) { err = -EBUSY; goto out_free_info; diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index 1b00dac3d7d6..e3822c1cdb8d 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -177,14 +177,12 @@ int onenand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd) int len, ret = 0; len = mtd->size >> (this->erase_shift + 2); - /* Allocate memory (2bit per block) */ - bbm->bbt = kmalloc(len, GFP_KERNEL); + /* Allocate memory (2bit per block) and clear the memory bad block table */ + bbm->bbt = kzalloc(len, GFP_KERNEL); if (!bbm->bbt) { printk(KERN_ERR "onenand_scan_bbt: Out of memory\n"); return -ENOMEM; } - /* Clear the memory bad block table */ - memset(bbm->bbt, 0x00, len); /* Set the bad block position */ bbm->badblockpos = ONENAND_BADBLOCK_POS; @@ -230,14 +228,12 @@ int onenand_default_bbt(struct mtd_info *mtd) struct onenand_chip *this = mtd->priv; struct bbm_info *bbm; - this->bbm = kmalloc(sizeof(struct bbm_info), GFP_KERNEL); + this->bbm = kzalloc(sizeof(struct bbm_info), GFP_KERNEL); if (!this->bbm) return -ENOMEM; bbm = this->bbm; - memset(bbm, 0, sizeof(struct bbm_info)); - /* 1KB page has same configuration as 2KB page */ if (!bbm->badblock_pattern) bbm->badblock_pattern = &largepage_memorybased; diff --git a/drivers/mtd/redboot.c b/drivers/mtd/redboot.c index 5b58523e4d4e..4b277211e27b 100644 --- a/drivers/mtd/redboot.c +++ b/drivers/mtd/redboot.c @@ -165,15 +165,13 @@ static int parse_redboot_partitions(struct mtd_info *master, } } #endif - parts = kmalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL); + parts = kzalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL); if (!parts) { ret = -ENOMEM; goto out; } - memset(parts, 0, sizeof(*parts)*nrparts + nulllen + namelen); - nullname = (char *)&parts[nrparts]; #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED if (nulllen > 0) { |