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>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 777f17e496e6..17581495bafb 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1403,10 +1403,9 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
         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;