From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66872C433DF for ; Tue, 26 May 2020 18:59:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 334C820849 for ; Tue, 26 May 2020 18:59:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519590; bh=Ew1ABeXUibXAgZ0JYe/xr33/Ay1UbJV9hJJkdKr01xM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JPzteorvlLJc4DsU9PRfodKQKE7CJqRl+EuSiUseOu547zZYe1GETUoAWtfanInx2 eLw5NBOjtpxIyd3RDnyviJ7/Q+XUaxljjinE3F9/qLeyku82WYsW+iJ7GrZNaagpnC EF/Cffp1xFIPGGXjuhLPnL4iac65lgyLKya/ys+A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390593AbgEZS7t (ORCPT ); Tue, 26 May 2020 14:59:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:53650 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390571AbgEZS7o (ORCPT ); Tue, 26 May 2020 14:59:44 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2FC2A208E4; Tue, 26 May 2020 18:59:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519583; bh=Ew1ABeXUibXAgZ0JYe/xr33/Ay1UbJV9hJJkdKr01xM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=caHS5pk9j77/HAzySdLIzG39ugi1kX3B34PTsldqWOrNpiXq2rQPWnLKgKYLkSSPK xja7mfVIvfuPBxwLeQeGX+27KhgLjJbCWDscWAyCw37QFkewuiw4O5003lCD4n0Ed5 WAydLLmrLGSz3Qh+6SfhyKuWn2jqqPjX7CehEL20= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Oscar Carter Subject: [PATCH 4.9 60/64] staging: greybus: Fix uninitialized scalar variable Date: Tue, 26 May 2020 20:53:29 +0200 Message-Id: <20200526183931.428602643@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526183913.064413230@linuxfoundation.org> References: <20200526183913.064413230@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oscar Carter commit 34625c1931f8204c234c532b446b9f53c69f4b68 upstream. In the "gb_tty_set_termios" function the "newline" variable is declared but not initialized. So the "flow_control" member is not initialized and the OR / AND operations with itself results in an undefined value in this member. The purpose of the code is to set the flow control type, so remove the OR / AND self operator and set the value directly. Addresses-Coverity-ID: 1374016 ("Uninitialized scalar variable") Fixes: e55c25206d5c9 ("greybus: uart: Handle CRTSCTS flag in termios") Signed-off-by: Oscar Carter Cc: stable Link: https://lore.kernel.org/r/20200510101426.23631-1-oscar.carter@gmx.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/greybus/uart.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -539,9 +539,9 @@ static void gb_tty_set_termios(struct tt } if (C_CRTSCTS(tty) && C_BAUD(tty) != B0) - newline.flow_control |= GB_SERIAL_AUTO_RTSCTS_EN; + newline.flow_control = GB_SERIAL_AUTO_RTSCTS_EN; else - newline.flow_control &= ~GB_SERIAL_AUTO_RTSCTS_EN; + newline.flow_control = 0; if (memcmp(&gb_tty->line_coding, &newline, sizeof(newline))) { memcpy(&gb_tty->line_coding, &newline, sizeof(newline));