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regmap: lzo: Switch to bitmap_zalloc()

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Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2019-06-17 14:54:03 +03:00 committed by Mark Brown
parent 6445500b43
commit 55535589eb
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 5 deletions
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8
drivers/base/regmap/regcache-lzo.c
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@ -148,20 +148,18 @@ static int regcache_lzo_init(struct regmap *map)
* that register.
*/
bmp_size = map->num_reg_defaults_raw;
sync_bmp = kmalloc_array(BITS_TO_LONGS(bmp_size), sizeof(long),
GFP_KERNEL);
sync_bmp = bitmap_zalloc(bmp_size, GFP_KERNEL);
if (!sync_bmp) {
ret = -ENOMEM;
goto err;
}
bitmap_zero(sync_bmp, bmp_size);
/* allocate the lzo blocks and initialize them */
for (i = 0; i < blkcount; i++) {
lzo_blocks[i] = kzalloc(sizeof **lzo_blocks,
GFP_KERNEL);
if (!lzo_blocks[i]) {
kfree(sync_bmp);
bitmap_free(sync_bmp);
ret = -ENOMEM;
goto err;
}
@ -213,7 +211,7 @@ static int regcache_lzo_exit(struct regmap *map)
* only once.
*/
if (lzo_blocks[0])
kfree(lzo_blocks[0]->sync_bmp);
bitmap_free(lzo_blocks[0]->sync_bmp);
for (i = 0; i < blkcount; i++) {
if (lzo_blocks[i]) {
kfree(lzo_blocks[i]->wmem);