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| author |   Kai Song <songkai01@inspur.com> | 2021-10-03 16:06:56 +0800 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2021-10-26 19:08:05 +0200 |
| commit | 64259baa396f185cdb44eeb9432fd9b85b178a9a (patch) | |
| tree | 474526dfade12a39c839c4ccb7405987f80ba9b9 /fs/btrfs/zoned.c | |
| parent | btrfs: subpage: only allow compression if the range is fully page aligned (diff) | |
| download | linux-dev-64259baa396f185cdb44eeb9432fd9b85b178a9a.tar.xz linux-dev-64259baa396f185cdb44eeb9432fd9b85b178a9a.zip | |
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: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Kai Song <songkai01@inspur.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zoned.c')
| -rw-r--r-- | fs/btrfs/zoned.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 14ea6797bf49..67d932d70798 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -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; |