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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 553D4C2BA83 for ; Thu, 13 Feb 2020 15:49:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2DB2920661 for ; Thu, 13 Feb 2020 15:49:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581608965; bh=hYNz40p2Qlm43B9gsOmwAE7R5tC9tcvgb6V4u5Ihi58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SlmLwFcbKrTTkBmhq8DJ/5ZPuwoK3ARJQP9VQMgw88tZE03dm6/KqxKeGlC47Xqca PC0bbx+9y1xN9ATOqrUvVlBKmnSL1X5dKNjUYPTppa55cuR+dfrnaDvsK/REpssAsd xg3+KL2buKrBJb4dnmjrc2VtQjgYd7FtYt57G4CQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729947AbgBMPtU (ORCPT ); Thu, 13 Feb 2020 10:49:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:47008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387618AbgBMP0q (ORCPT ); Thu, 13 Feb 2020 10:26:46 -0500 Received: from localhost (unknown [104.132.1.104]) (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 5C48120661; Thu, 13 Feb 2020 15:26:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581607605; bh=hYNz40p2Qlm43B9gsOmwAE7R5tC9tcvgb6V4u5Ihi58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IQ61FAW1BJLcrnu8QuJ9jTZVN/q32+JObTsTKQIDQy7rWrarLZ2CVATkZ4cgJJT/q osJxwKz+jHkaoD6FlpFYV/OYWiN47CJ/eIJnHIfOCXGGHbn46YifL7gF6vTPcWnbUx HKSG/nPYFYmFC59Ih2zbcKEgo0lZVhOu6wFV9lQo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Vyukov , "Gustavo A. R. Silva" , Kieran Bingham , Hans Verkuil , Mauro Carvalho Chehab Subject: [PATCH 4.19 44/52] media: i2c: adv748x: Fix unsafe macros Date: Thu, 13 Feb 2020 07:21:25 -0800 Message-Id: <20200213151828.199697666@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213151810.331796857@linuxfoundation.org> References: <20200213151810.331796857@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: Gustavo A. R. Silva commit 0d962e061abcf1b9105f88fb850158b5887fbca3 upstream. Enclose multiple macro parameters in parentheses in order to make such macros safer and fix the Clang warning below: drivers/media/i2c/adv748x/adv748x-afe.c:452:12: warning: operator '?:' has lower precedence than '|'; '|' will be evaluated first [-Wbitwise-conditional-parentheses] ret = sdp_clrset(state, ADV748X_SDP_FRP, ADV748X_SDP_FRP_MASK, enable ? ctrl->val - 1 : 0); Fixes: 3e89586a64df ("media: i2c: adv748x: add adv748x driver") Reported-by: Dmitry Vyukov Signed-off-by: Gustavo A. R. Silva Reviewed-by: Kieran Bingham Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/i2c/adv748x/adv748x.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/drivers/media/i2c/adv748x/adv748x.h +++ b/drivers/media/i2c/adv748x/adv748x.h @@ -361,10 +361,10 @@ int adv748x_write_block(struct adv748x_s #define io_read(s, r) adv748x_read(s, ADV748X_PAGE_IO, r) #define io_write(s, r, v) adv748x_write(s, ADV748X_PAGE_IO, r, v) -#define io_clrset(s, r, m, v) io_write(s, r, (io_read(s, r) & ~m) | v) +#define io_clrset(s, r, m, v) io_write(s, r, (io_read(s, r) & ~(m)) | (v)) #define hdmi_read(s, r) adv748x_read(s, ADV748X_PAGE_HDMI, r) -#define hdmi_read16(s, r, m) (((hdmi_read(s, r) << 8) | hdmi_read(s, r+1)) & m) +#define hdmi_read16(s, r, m) (((hdmi_read(s, r) << 8) | hdmi_read(s, (r)+1)) & (m)) #define hdmi_write(s, r, v) adv748x_write(s, ADV748X_PAGE_HDMI, r, v) #define repeater_read(s, r) adv748x_read(s, ADV748X_PAGE_REPEATER, r) @@ -372,11 +372,11 @@ int adv748x_write_block(struct adv748x_s #define sdp_read(s, r) adv748x_read(s, ADV748X_PAGE_SDP, r) #define sdp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_SDP, r, v) -#define sdp_clrset(s, r, m, v) sdp_write(s, r, (sdp_read(s, r) & ~m) | v) +#define sdp_clrset(s, r, m, v) sdp_write(s, r, (sdp_read(s, r) & ~(m)) | (v)) #define cp_read(s, r) adv748x_read(s, ADV748X_PAGE_CP, r) #define cp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_CP, r, v) -#define cp_clrset(s, r, m, v) cp_write(s, r, (cp_read(s, r) & ~m) | v) +#define cp_clrset(s, r, m, v) cp_write(s, r, (cp_read(s, r) & ~(m)) | (v)) #define txa_read(s, r) adv748x_read(s, ADV748X_PAGE_TXA, r) #define txb_read(s, r) adv748x_read(s, ADV748X_PAGE_TXB, r)