From 549e08a0a93442ab62e0aee8aeb8ae6a7f2b5273 Mon Sep 17 00:00:00 2001 From: lixiubo Date: Fri, 20 Nov 2015 18:06:30 +0800 Subject: [PATCH] regmap: replace kmalloc with kmalloc_array Replace kmalloc with specialized function kmalloc_array when the size is a multiplication of : number * size Signed-off-by: lixiubo Signed-off-by: Mark Brown --- drivers/base/regmap/regcache-lzo.c | 4 ++-- drivers/base/regmap/regcache-rbtree.c | 4 ++-- drivers/base/regmap/regmap-irq.c | 5 +++-- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/base/regmap/regcache-lzo.c b/drivers/base/regmap/regcache-lzo.c index 52f69381c070..6f77d7319fc6 100644 --- a/drivers/base/regmap/regcache-lzo.c +++ b/drivers/base/regmap/regcache-lzo.c @@ -152,8 +152,8 @@ static int regcache_lzo_init(struct regmap *map) * that register. */ bmp_size = map->num_reg_defaults_raw; - sync_bmp = kmalloc(BITS_TO_LONGS(bmp_size) * sizeof(long), - GFP_KERNEL); + sync_bmp = kmalloc_array(BITS_TO_LONGS(bmp_size), sizeof(long), + GFP_KERNEL); if (!sync_bmp) { ret = -ENOMEM; goto err; diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 3b6cfede2fd9..9d7ced559cba 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -361,8 +361,8 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg) rbnode->base_reg = reg; } - rbnode->block = kmalloc(rbnode->blklen * map->cache_word_size, - GFP_KERNEL); + rbnode->block = kmalloc_array(rbnode->blklen, map->cache_word_size, + GFP_KERNEL); if (!rbnode->block) goto err_free; diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 4ebbe21ded82..4d2cb21254aa 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -422,8 +422,9 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, if (!map->use_single_read && map->reg_stride == 1 && d->irq_reg_stride == 1) { - d->status_reg_buf = kmalloc(map->format.val_bytes * - chip->num_regs, GFP_KERNEL); + d->status_reg_buf = kmalloc_array(chip->num_regs, + map->format.val_bytes, + GFP_KERNEL); if (!d->status_reg_buf) goto err_alloc; }