diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 404a4203f7da..76f63f9adc72 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -1969,7 +1969,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
 			goto out_err;
 		}
 
-		if (strncmp(conn->ClientGUID, sess->ClientGUID,
+		if (memcmp(conn->ClientGUID, sess->ClientGUID,
 			    SMB2_CLIENT_GUID_SIZE)) {
 			rc = -ENOENT;
 			goto out_err;
@@ -8690,7 +8690,7 @@ static int fsctl_validate_negotiate_info(struct ksmbd_conn *conn,
 		goto err_out;
 	}
 
-	if (strncmp(neg_req->Guid, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE)) {
+	if (memcmp(neg_req->Guid, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE)) {
 		ret = -EINVAL;
 		goto err_out;
 	}