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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 D377EC433B4 for ; Thu, 20 May 2021 09:54:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCDA861406 for ; Thu, 20 May 2021 09:54:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234292AbhETJ4C (ORCPT ); Thu, 20 May 2021 05:56:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:53920 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234029AbhETJwS (ORCPT ); Thu, 20 May 2021 05:52:18 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4617C61581; Thu, 20 May 2021 09:36:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621503369; bh=2WHjvr9GkzDO1uT93ZbgQkhvdlHzfiDVYleSFNs5XR0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kSCDROR3JaVyaEALw0NuY99dALM2ctBGjsc2ThRHr0t8FsNqmcpyHLAoTVKBvAmmF tj24XtjCPSFiCWfKP4q1uk3mSS9BNhGpWB4kXI0RUEhRxlkvkbUKONVy9Y035d3cHI kW/brbo/35UovWm2SNz3DzNSsFOC0PjEOSFrdITU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Srinivas Kandagatla , Pierre-Louis Bossart , Vinod Koul , Sasha Levin Subject: [PATCH 4.19 191/425] soundwire: bus: Fix device found flag correctly Date: Thu, 20 May 2021 11:19:20 +0200 Message-Id: <20210520092137.702096702@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520092131.308959589@linuxfoundation.org> References: <20210520092131.308959589@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Kandagatla [ Upstream commit f03690f4f6992225d05dbd1171212e5be5a370dd ] found flag is used to indicate SoundWire devices that are both enumerated on the bus and available in the device list. However this flag is not reset correctly after one iteration, This could miss some of the devices that are enumerated on the bus but not in device list. So reset this correctly to fix this issue! Fixes: d52d7a1be02c ("soundwire: Add Slave status handling helpers") Signed-off-by: Srinivas Kandagatla Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20210309104816.20350-1-srinivas.kandagatla@linaro.org Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/soundwire/bus.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index df172bf3925f..0089b606b70d 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -514,7 +514,7 @@ static int sdw_program_device_num(struct sdw_bus *bus) struct sdw_slave *slave, *_s; struct sdw_slave_id id; struct sdw_msg msg; - bool found = false; + bool found; int count = 0, ret; u64 addr; @@ -545,6 +545,7 @@ static int sdw_program_device_num(struct sdw_bus *bus) sdw_extract_slave_id(bus, addr, &id); + found = false; /* Now compare with entries */ list_for_each_entry_safe(slave, _s, &bus->slaves, node) { if (sdw_compare_devid(slave, id) == 0) { -- 2.30.2