f2fs: use kmemdup
Use kmemdup instead of kzalloc and memcpy.
Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Acked-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 0177f94..10cbee9 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1666,19 +1666,17 @@
spin_lock_init(&nm_i->free_nid_list_lock);
rwlock_init(&nm_i->nat_tree_lock);
- nm_i->bitmap_size = __bitmap_size(sbi, NAT_BITMAP);
nm_i->init_scan_nid = le32_to_cpu(sbi->ckpt->next_free_nid);
nm_i->next_scan_nid = le32_to_cpu(sbi->ckpt->next_free_nid);
-
- nm_i->nat_bitmap = kzalloc(nm_i->bitmap_size, GFP_KERNEL);
- if (!nm_i->nat_bitmap)
- return -ENOMEM;
+ nm_i->bitmap_size = __bitmap_size(sbi, NAT_BITMAP);
version_bitmap = __bitmap_ptr(sbi, NAT_BITMAP);
if (!version_bitmap)
return -EFAULT;
- /* copy version bitmap */
- memcpy(nm_i->nat_bitmap, version_bitmap, nm_i->bitmap_size);
+ nm_i->nat_bitmap = kmemdup(version_bitmap, nm_i->bitmap_size,
+ GFP_KERNEL);
+ if (!nm_i->nat_bitmap)
+ return -ENOMEM;
return 0;
}
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 777f17e..1758149 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1403,10 +1403,9 @@
bitmap_size = __bitmap_size(sbi, SIT_BITMAP);
src_bitmap = __bitmap_ptr(sbi, SIT_BITMAP);
- dst_bitmap = kzalloc(bitmap_size, GFP_KERNEL);
+ dst_bitmap = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
if (!dst_bitmap)
return -ENOMEM;
- memcpy(dst_bitmap, src_bitmap, bitmap_size);
/* init SIT information */
sit_i->s_ops = &default_salloc_ops;