diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 2cbbec6ce9cb..71436d1fca13 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -135,8 +135,8 @@ int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
 				cpu_to_le32(server->sequence_number);
 	cifs_pdu->Signature.Sequence.Reserved = 0;
 
-	*pexpected_response_sequence_number = server->sequence_number++;
-	server->sequence_number++;
+	*pexpected_response_sequence_number = ++server->sequence_number;
+	++server->sequence_number;
 
 	rc = cifs_calc_signature(rqst, server, smb_signature);
 	if (rc)
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 728b3176984a..a58dc77cc443 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1545,7 +1545,7 @@ cifs_readv_callback(struct mid_q_entry *mid)
 			int rc = 0;
 
 			rc = cifs_verify_signature(&rqst, server,
-						  mid->sequence_number + 1);
+						  mid->sequence_number);
 			if (rc)
 				cifs_dbg(VFS, "SMB signature verification returned error = %d\n",
 					 rc);
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 293d2c83dfbe..bfbf4700d160 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -622,7 +622,7 @@ cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server,
 		iov.iov_len = len;
 		/* FIXME: add code to kill session */
 		rc = cifs_verify_signature(&rqst, server,
-					   mid->sequence_number + 1);
+					   mid->sequence_number);
 		if (rc)
 			cifs_dbg(VFS, "SMB signature verification returned error = %d\n",
 				 rc);