[PATCH -next] cifs: convert to use be32_add_cpu()

[Qinglang Miao]

Convert cpu_to_be32(be32_to_cpu(E1) + E2) to use be32_add_cpu().

Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
---
 fs/cifs/connect.c | 3 +--
 fs/cifs/sess.c    | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 889fee586..552975420 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -5114,8 +5114,7 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
 	bcc_ptr += strlen("?????");
 	bcc_ptr += 1;
 	count = bcc_ptr - &pSMB->Password[0];
-	pSMB->hdr.smb_buf_length = cpu_to_be32(be32_to_cpu(
-					pSMB->hdr.smb_buf_length) + count);
+	be32_add_cpu(&pSMB->hdr.smb_buf_length, count);
 	pSMB->ByteCount = cpu_to_le16(count);
 
 	rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, &length,
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 6708ab0aa..69cd58566 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -938,8 +938,7 @@ sess_sendreceive(struct sess_data *sess_data)
 	struct kvec rsp_iov = { NULL, 0 };
 
 	count = sess_data->iov[1].iov_len + sess_data->iov[2].iov_len;
-	smb_buf->smb_buf_length =
-		cpu_to_be32(be32_to_cpu(smb_buf->smb_buf_length) + count);
+	be32_add_cpu(&smb_buf->smb_buf_length, count);
 	put_bcc(count, smb_buf);
 
 	rc = SendReceive2(sess_data->xid, sess_data->ses,
-- 
2.25.1