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regmap: replace kzalloc with kcalloc 

Replace kzalloc with specialized function kcalloc when the size is
a multiplication of : number * sizeof

Signed-off-by: lixiubo <lixiubo@cmss.chinamobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
lixiubo 2015-11-20 18:06:29 +08:00 committed by Mark Brown
parent 8005c49d9a
commit eeda1bd69d
4 changed files with 9 additions and 8 deletions
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2
drivers/base/regmap/regcache-flat.c
View File

@ -21,7 +21,7 @@ static int regcache_flat_init(struct regmap *map)
int i;
unsigned int *cache;
map->cache = kzalloc(sizeof(unsigned int) * (map->max_register + 1),
map->cache = kcalloc(map->max_register + 1, sizeof(unsigned int),
GFP_KERNEL);
if (!map->cache)
return -ENOMEM;

2
drivers/base/regmap/regcache-lzo.c
View File

@ -139,7 +139,7 @@ static int regcache_lzo_init(struct regmap *map)
ret = 0;
blkcount = regcache_lzo_block_count(map);
map->cache = kzalloc(blkcount * sizeof *lzo_blocks,
map->cache = kcalloc(blkcount, sizeof(*lzo_blocks),
GFP_KERNEL);
if (!map->cache)
return -ENOMEM;

5
drivers/base/regmap/regcache-rbtree.c
View File

@ -366,8 +366,9 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
if (!rbnode->block)
goto err_free;
rbnode->cache_present = kzalloc(BITS_TO_LONGS(rbnode->blklen) *
sizeof(*rbnode->cache_present), GFP_KERNEL);
rbnode->cache_present = kcalloc(BITS_TO_LONGS(rbnode->blklen),
sizeof(*rbnode->cache_present),
GFP_KERNEL);
if (!rbnode->cache_present)
goto err_free_block;

8
drivers/base/regmap/regmap-irq.c
View File

@ -386,23 +386,23 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
if (!d)
return -ENOMEM;
d->status_buf = kzalloc(sizeof(unsigned int) * chip->num_regs,
d->status_buf = kcalloc(chip->num_regs, sizeof(unsigned int),
GFP_KERNEL);
if (!d->status_buf)
goto err_alloc;
d->mask_buf = kzalloc(sizeof(unsigned int) * chip->num_regs,
d->mask_buf = kcalloc(chip->num_regs, sizeof(unsigned int),
GFP_KERNEL);
if (!d->mask_buf)
goto err_alloc;
d->mask_buf_def = kzalloc(sizeof(unsigned int) * chip->num_regs,
d->mask_buf_def = kcalloc(chip->num_regs, sizeof(unsigned int),
GFP_KERNEL);
if (!d->mask_buf_def)
goto err_alloc;
if (chip->wake_base) {
d->wake_buf = kzalloc(sizeof(unsigned int) * chip->num_regs,
d->wake_buf = kcalloc(chip->num_regs, sizeof(unsigned int),
GFP_KERNEL);
if (!d->wake_buf)
goto err_alloc;