From eeda1bd69d5d8a020ce191f717b94ca99707daad Mon Sep 17 00:00:00 2001 From: lixiubo Date: Fri, 20 Nov 2015 18:06:29 +0800 Subject: regmap: replace kzalloc with kcalloc Replace kzalloc with specialized function kcalloc when the size is a multiplication of : number * sizeof Signed-off-by: lixiubo Signed-off-by: Mark Brown --- drivers/base/regmap/regcache-flat.c | 2 +- drivers/base/regmap/regcache-lzo.c | 2 +- drivers/base/regmap/regcache-rbtree.c | 5 +++-- drivers/base/regmap/regmap-irq.c | 8 ++++---- 4 files changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/base/regmap/regcache-flat.c b/drivers/base/regmap/regcache-flat.c index 0246f44ded74..686c9e0b930e 100644 --- a/drivers/base/regmap/regcache-flat.c +++ b/drivers/base/regmap/regcache-flat.c @@ -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; diff --git a/drivers/base/regmap/regcache-lzo.c b/drivers/base/regmap/regcache-lzo.c index 736e0d378567..52f69381c070 100644 --- a/drivers/base/regmap/regcache-lzo.c +++ b/drivers/base/regmap/regcache-lzo.c @@ -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; diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 56486d92c4e7..3b6cfede2fd9 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -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; diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 8d16db533527..4ebbe21ded82 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -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; -- cgit v1.2.3-59-g8ed1b