From: lixiubo <[email protected]> Replace kzalloc with specialized function kcalloc when the size is a multiplication of : number * sizeof
Signed-off-by: lixiubo <[email protected]> --- 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 0246f44..686c9e0 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 2d53f6f..1f4eef2 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 56486d9..3b6cfed 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 38d1f72..78d4805 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -364,23 +364,23 @@ 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; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
