Commit 64259baa authored by Kai Song's avatar Kai Song Committed by David Sterba
Browse files

btrfs: zoned: use kmemdup() to replace kmalloc + memcpy 



Fix memdup.cocci warning:
fs/btrfs/zoned.c:1198:23-30: WARNING opportunity for kmemdup

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarKai Song <songkai01@inspur.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 0cf9b244

fs/btrfs/zoned.c

+1 −3
Original line number Diff line number Diff line
@@ -1195,14 +1195,12 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) 


	map = em->map_lookup;



	cache->physical_map = kmalloc(map_lookup_size(map->num_stripes), GFP_NOFS);

	cache->physical_map = kmemdup(map, map_lookup_size(map->num_stripes), GFP_NOFS);

	if (!cache->physical_map) {

		ret = -ENOMEM;

		goto out;

	}



	memcpy(cache->physical_map, map, map_lookup_size(map->num_stripes));



	alloc_offsets = kcalloc(map->num_stripes, sizeof(*alloc_offsets), GFP_NOFS);

	if (!alloc_offsets) {

		ret = -ENOMEM;