[PATCH -next] hpfs: convert to use le32_add_cpu()

[Qinglang Miao]

Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().

Signed-off-by: Qinglang Miao <miaoqingl...@huawei.com>
---
 fs/hpfs/dnode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/hpfs/dnode.c b/fs/hpfs/dnode.c
index 4ada525c5..76f539601 100644
--- a/fs/hpfs/dnode.c
+++ b/fs/hpfs/dnode.c
@@ -208,7 +208,7 @@ static void hpfs_delete_de(struct super_block *s, struct 
dnode *d,
                hpfs_error(s, "attempt to delete last dirent in dnode %08x", 
le32_to_cpu(d->self));
                return;
        }
-       d->first_free = cpu_to_le32(le32_to_cpu(d->first_free) - 
le16_to_cpu(de->length));
+       le32_add_cpu(&d->first_free, -le16_to_cpu(de->length));
        memmove(de, de_next_de(de), le32_to_cpu(d->first_free) + (char *)d - 
(char *)de);
 }
 
-- 
2.25.1