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ubi: fastmap: Use the bitmap API to allocate bitmaps

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Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Christophe JAILLET 2022-07-04 20:46:00 +02:00 committed by Richard Weinberger
parent a0c5156573
commit e7f35da21f
1 changed files with 4 additions and 6 deletions
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10
drivers/mtd/ubi/fastmap.c
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@ -20,8 +20,7 @@ static inline unsigned long *init_seen(struct ubi_device *ubi)
if (!ubi_dbg_chk_fastmap(ubi))
return NULL;
ret = kcalloc(BITS_TO_LONGS(ubi->peb_count), sizeof(unsigned long),
GFP_KERNEL);
ret = bitmap_zalloc(ubi->peb_count, GFP_KERNEL);
if (!ret)
return ERR_PTR(-ENOMEM);
@ -34,7 +33,7 @@ static inline unsigned long *init_seen(struct ubi_device *ubi)
*/
static inline void free_seen(unsigned long *seen)
{
kfree(seen);
bitmap_free(seen);
}
/**
@ -1108,8 +1107,7 @@ int ubi_fastmap_init_checkmap(struct ubi_volume *vol, int leb_count)
if (!ubi->fast_attach)
return 0;
vol->checkmap = kcalloc(BITS_TO_LONGS(leb_count), sizeof(unsigned long),
GFP_KERNEL);
vol->checkmap = bitmap_zalloc(leb_count, GFP_KERNEL);
if (!vol->checkmap)
return -ENOMEM;
@ -1118,7 +1116,7 @@ int ubi_fastmap_init_checkmap(struct ubi_volume *vol, int leb_count)
void ubi_fastmap_destroy_checkmap(struct ubi_volume *vol)
{
kfree(vol->checkmap);
bitmap_free(vol->checkmap);
}
/**