CIFS: convert to use le32_add_cpu()

Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 5a49861633a6..7d56a5ca2abb 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -939,9 +939,7 @@ add_lease_context(struct kvec *iov, unsigned int *num_iovec, __u8 *oplock)
                 req->CreateContextsOffset = cpu_to_le32(
                                 sizeof(struct smb2_create_req) - 4 +
                                 iov[num - 1].iov_len);
-        req->CreateContextsLength = cpu_to_le32(
-                                le32_to_cpu(req->CreateContextsLength) +
-                                sizeof(struct create_lease));
+        le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_lease));
         inc_rfc1001_len(&req->hdr, sizeof(struct create_lease));
         *num_iovec = num + 1;
         return 0;
@@ -967,9 +965,7 @@ add_durable_context(struct kvec *iov, unsigned int *num_iovec,
                 req->CreateContextsOffset =
                         cpu_to_le32(sizeof(struct smb2_create_req) - 4 +
                                                                 iov[1].iov_len);
-        req->CreateContextsLength =
-                        cpu_to_le32(le32_to_cpu(req->CreateContextsLength) +
-                                                sizeof(struct create_durable));
+        le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_durable));
         inc_rfc1001_len(&req->hdr, sizeof(struct create_durable));
         *num_iovec = num + 1;
         return 0;