From 9065ed1281a57f8cf84695b4a1e86ee9bd586b01 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 30 Aug 2018 13:32:07 +0300
Subject: libnvdimm, label: Switch to bitmap_zalloc()
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>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
drivers/nvdimm/label.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 750dbaa6ce82..a11bf4e6b451 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -944,8 +944,7 @@ static int __blk_label_update(struct nd_region *nd_region,
victims = 0;
if (old_num_resources) {
/* convert old local-label-map to dimm-slot victim-map */
- victim_map = kcalloc(BITS_TO_LONGS(nslot), sizeof(long),
- GFP_KERNEL);
+ victim_map = bitmap_zalloc(nslot, GFP_KERNEL);
if (!victim_map)
return -ENOMEM;
@@ -968,7 +967,7 @@ static int __blk_label_update(struct nd_region *nd_region,
/* don't allow updates that consume the last label */
if (nfree - alloc < 0 || nfree - alloc + victims < 1) {
dev_info(&nsblk->common.dev, "insufficient label space\n");
- kfree(victim_map);
+ bitmap_free(victim_map);
return -ENOSPC;
}
/* from here on we need to abort on error */
@@ -1140,7 +1139,7 @@ static int __blk_label_update(struct nd_region *nd_region,
out:
kfree(old_res_list);
- kfree(victim_map);
+ bitmap_free(victim_map);
return rc;
abort:
--
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