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[PATCH] kfree cleanup: drivers/mtd

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This is the drivers/mtd part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/mtd/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: Joern Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jesper Juhl 2005-11-07 01:01:27 -08:00 committed by Linus Torvalds
parent c9475cb0c3
commit fa671646f6
20 changed files with 32 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/mtd/chips/cfi_cmdset_0001.c
View File

@ -455,8 +455,7 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd)
setup_err:
if(mtd) {
if(mtd->eraseregions)
kfree(mtd->eraseregions);
kfree(mtd->eraseregions);
kfree(mtd);
}
kfree(cfi->cmdset_priv);

4
drivers/mtd/chips/cfi_cmdset_0002.c
View File

@ -378,8 +378,7 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
setup_err:
if(mtd) {
if(mtd->eraseregions)
kfree(mtd->eraseregions);
kfree(mtd->eraseregions);
kfree(mtd);
}
kfree(cfi->cmdset_priv);
@ -1742,6 +1741,7 @@ static void cfi_amdstd_destroy(struct mtd_info *mtd)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
kfree(cfi->cmdset_priv);
kfree(cfi->cfiq);
kfree(cfi);

7
drivers/mtd/devices/blkmtd.c
View File

@ -539,11 +539,8 @@ static void free_device(struct blkmtd_dev *dev)
{
DEBUG(2, "blkmtd: free_device() dev = %p\n", dev);
if(dev) {
if(dev->mtd_info.eraseregions)
kfree(dev->mtd_info.eraseregions);
if(dev->mtd_info.name)
kfree(dev->mtd_info.name);
kfree(dev->mtd_info.eraseregions);
kfree(dev->mtd_info.name);
if(dev->blkdev) {
invalidate_inode_pages(dev->blkdev->bd_inode->i_mapping);
close_bdev_excl(dev->blkdev);

12
drivers/mtd/inftlcore.c
View File

@ -126,10 +126,8 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
}
if (add_mtd_blktrans_dev(&inftl->mbd)) {
if (inftl->PUtable)
kfree(inftl->PUtable);
if (inftl->VUtable)
kfree(inftl->VUtable);
kfree(inftl->PUtable);
kfree(inftl->VUtable);
kfree(inftl);
return;
}
@ -147,10 +145,8 @@ static void inftl_remove_dev(struct mtd_blktrans_dev *dev)
del_mtd_blktrans_dev(dev);
if (inftl->PUtable)
kfree(inftl->PUtable);
if (inftl->VUtable)
kfree(inftl->VUtable);
kfree(inftl->PUtable);
kfree(inftl->VUtable);
kfree(inftl);
}

4
drivers/mtd/maps/amd76xrom.c
View File

@ -259,9 +259,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
out:
/* Free any left over map structures */
if (map) {
kfree(map);
}
kfree(map);
/* See if I have any map structures */
if (list_empty(&window->maps)) {
amd76xrom_cleanup(window);

3
drivers/mtd/maps/bast-flash.c
View File

@ -104,8 +104,7 @@ static int bast_flash_remove(struct device *dev)
map_destroy(info->mtd);
}
if (info->partitions)
kfree(info->partitions);
kfree(info->partitions);
if (info->area) {
release_resource(info->area);

3
drivers/mtd/maps/ceiva.c
View File

@ -313,8 +313,7 @@ static void __init clps_locate_partitions(struct mtd_info *mtd)
static void __exit clps_destroy_partitions(void)
{
if (parsed_parts)
kfree(parsed_parts);
kfree(parsed_parts);
}
static struct mtd_info *mymtd;

5
drivers/mtd/maps/ichxrom.c
View File

@ -306,9 +306,8 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev,
out:
/* Free any left over map structures */
if (map) {
kfree(map);
}
kfree(map);
/* See if I have any map structures */
if (list_empty(&window->maps)) {
ichxrom_cleanup(window);

6
drivers/mtd/maps/integrator-flash.c
View File

@ -148,8 +148,7 @@ static int armflash_probe(struct device *_dev)
del_mtd_partitions(info->mtd);
map_destroy(info->mtd);
}
if (info->parts)
kfree(info->parts);
kfree(info->parts);
no_device:
iounmap(base);
@ -176,8 +175,7 @@ static int armflash_remove(struct device *_dev)
del_mtd_partitions(info->mtd);
map_destroy(info->mtd);
}
if (info->parts)
kfree(info->parts);
kfree(info->parts);
iounmap(info->map.virt);
release_resource(info->res);

3
drivers/mtd/maps/ipaq-flash.c
View File

@ -431,8 +431,7 @@ static void __exit ipaq_mtd_cleanup(void)
if (my_sub_mtd[i])
map_destroy(my_sub_mtd[i]);
}
if (parsed_parts)
kfree(parsed_parts);
kfree(parsed_parts);
}
}

3
drivers/mtd/maps/iq80310.c
View File

@ -103,8 +103,7 @@ static void __exit cleanup_iq80310(void)
if (mymtd) {
del_mtd_partitions(mymtd);
map_destroy(mymtd);
if (parsed_parts)
kfree(parsed_parts);
kfree(parsed_parts);
}
if (iq80310_map.virt)
iounmap((void *)iq80310_map.virt);

3
drivers/mtd/maps/ixp2000.c
View File

@ -129,8 +129,7 @@ static int ixp2000_flash_remove(struct device *_dev)
if (info->map.map_priv_1)
iounmap((void *) info->map.map_priv_1);
if (info->partitions) {
kfree(info->partitions); }
kfree(info->partitions);
if (info->res) {
release_resource(info->res);

3
drivers/mtd/maps/ixp4xx.c
View File

@ -124,8 +124,7 @@ static int ixp4xx_flash_remove(struct device *_dev)
if (info->map.map_priv_1)
iounmap((void *) info->map.map_priv_1);
if (info->partitions)
kfree(info->partitions);
kfree(info->partitions);
if (info->res) {
release_resource(info->res);

3
drivers/mtd/maps/lubbock-flash.c
View File

@ -158,8 +158,7 @@ static void __exit cleanup_lubbock(void)
if (lubbock_maps[i].cached)
iounmap(lubbock_maps[i].cached);
if (parsed_parts[i])
kfree(parsed_parts[i]);
kfree(parsed_parts[i]);
}
}

3
drivers/mtd/maps/omap-toto-flash.c
View File

@ -124,8 +124,7 @@ static void __exit omap_toto_mtd_cleanup(void)
if (flash_mtd) {
del_mtd_partitions(flash_mtd);
map_destroy(flash_mtd);
if (parsed_parts)
kfree(parsed_parts);
kfree(parsed_parts);
}
}

3
drivers/mtd/maps/sa1100-flash.c
View File

@ -241,8 +241,7 @@ static void sa1100_destroy(struct sa_info *info, struct flash_platform_data *pla
#endif
}
if (info->parts)
kfree(info->parts);
kfree(info->parts);
for (i = info->num_subdev - 1; i >= 0; i--)
sa1100_destroy_subdev(&info->subdev[i]);

4
drivers/mtd/maps/sun_uflash.c
View File

@ -166,9 +166,7 @@ static void __exit uflash_cleanup(void)
iounmap(udev->map.virt);
udev->map.virt = NULL;
}
if(0 != udev->name) {
kfree(udev->name);
}
kfree(udev->name);
kfree(udev);
}
}

6
drivers/mtd/maps/tqm8xxl.c
View File

@ -224,10 +224,8 @@ int __init init_tqm_mtd(void)
error_mem:
for(idx = 0 ; idx < FLASH_BANK_MAX ; idx++) {
if(map_banks[idx] != NULL) {
if(map_banks[idx]->name != NULL) {
kfree(map_banks[idx]->name);
map_banks[idx]->name = NULL;
}
kfree(map_banks[idx]->name);
map_banks[idx]->name = NULL;
kfree(map_banks[idx]);
map_banks[idx] = NULL;
}

5
drivers/mtd/nand/nand_base.c
View File

@ -2676,9 +2676,8 @@ void nand_release (struct mtd_info *mtd)
/* Deregister the device */
del_mtd_device (mtd);
/* Free bad block table memory, if allocated */
if (this->bbt)
kfree (this->bbt);
/* Free bad block table memory */
kfree (this->bbt);
/* Buffer allocated by nand_scan ? */
if (this->options & NAND_OOBBUF_ALLOC)
kfree (this->oob_buf);

12
drivers/mtd/nftlcore.c
View File

@ -114,10 +114,8 @@ static void nftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
}
if (add_mtd_blktrans_dev(&nftl->mbd)) {
if (nftl->ReplUnitTable)
kfree(nftl->ReplUnitTable);
if (nftl->EUNtable)
kfree(nftl->EUNtable);
kfree(nftl->ReplUnitTable);
kfree(nftl->EUNtable);
kfree(nftl);
return;
}
@ -133,10 +131,8 @@ static void nftl_remove_dev(struct mtd_blktrans_dev *dev)
DEBUG(MTD_DEBUG_LEVEL1, "NFTL: remove_dev (i=%d)\n", dev->devnum);
del_mtd_blktrans_dev(dev);
if (nftl->ReplUnitTable)
kfree(nftl->ReplUnitTable);
if (nftl->EUNtable)
kfree(nftl->EUNtable);
kfree(nftl->ReplUnitTable);
kfree(nftl->EUNtable);
kfree(nftl);
}