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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 <lixiubo@cmss.chinamobile.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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parent
eeda1bd69d
commit
549e08a0a9
3 changed files with 7 additions and 6 deletions
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@ -152,8 +152,8 @@ static int regcache_lzo_init(struct regmap *map)
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* that register.
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*/
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bmp_size = map->num_reg_defaults_raw;
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sync_bmp = kmalloc(BITS_TO_LONGS(bmp_size) * sizeof(long),
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GFP_KERNEL);
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sync_bmp = kmalloc_array(BITS_TO_LONGS(bmp_size), sizeof(long),
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GFP_KERNEL);
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if (!sync_bmp) {
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ret = -ENOMEM;
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goto err;
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@ -361,8 +361,8 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
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rbnode->base_reg = reg;
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}
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rbnode->block = kmalloc(rbnode->blklen * map->cache_word_size,
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GFP_KERNEL);
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rbnode->block = kmalloc_array(rbnode->blklen, map->cache_word_size,
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GFP_KERNEL);
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if (!rbnode->block)
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goto err_free;
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@ -422,8 +422,9 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
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if (!map->use_single_read && map->reg_stride == 1 &&
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d->irq_reg_stride == 1) {
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d->status_reg_buf = kmalloc(map->format.val_bytes *
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chip->num_regs, GFP_KERNEL);
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d->status_reg_buf = kmalloc_array(chip->num_regs,
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map->format.val_bytes,
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GFP_KERNEL);
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if (!d->status_reg_buf)
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goto err_alloc;
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}
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