Messages in this thread Patch in this message | | | From | Xiubo Li <> | Subject | [PATCH 2/2] Regmap: replace kmalloc with kmalloc_array | Date | Fri, 20 Nov 2015 18:06:30 +0800 |
| |
From: lixiubo <lixiubo@cmss.chinamobile.com>
Replace kmalloc with specialized function kmalloc_array when the size is a multiplication of : number * size
Signed-off-by: lixiubo <lixiubo@cmss.chinamobile.com> --- 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 1f4eef2..0c652243 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 3b6cfed..9d7ced5 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 78d4805..79014be 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -400,8 +400,9 @@ 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; } -- 1.8.3.1
| |