From patchwork Mon Sep 25 03:11:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oder Chiou X-Patchwork-Id: 9969185 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D062F60365 for ; Mon, 25 Sep 2017 03:11:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C0CB828BA1 for ; Mon, 25 Sep 2017 03:11:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B433928BF7; Mon, 25 Sep 2017 03:11:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DA49D28BA1 for ; Mon, 25 Sep 2017 03:11:33 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 496D6266DE5; Mon, 25 Sep 2017 05:11:23 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 86996266DEC; Mon, 25 Sep 2017 05:11:22 +0200 (CEST) Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by alsa0.perex.cz (Postfix) with ESMTP id BDA2F266B70 for ; Mon, 25 Sep 2017 05:11:16 +0200 (CEST) Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.61 with qID v8P3BAju004875, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtitcas12.realtek.com.tw [172.21.6.16]) by rtits2.realtek.com.tw (8.15.2/2.57/5.77) with ESMTP id v8P3BAju004875; Mon, 25 Sep 2017 11:11:10 +0800 Received: from RTITCASV01.realtek.com.tw (172.21.6.18) by RTITCAS12.realtek.com.tw (172.21.6.16) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 25 Sep 2017 11:11:10 +0800 Received: from localhost.localdomain (172.21.85.85) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.294.0; Mon, 25 Sep 2017 11:11:09 +0800 From: Oder Chiou To: , Date: Mon, 25 Sep 2017 11:11:05 +0800 Message-ID: <1506309065-25802-1-git-send-email-oder_chiou@realtek.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [172.21.85.85] Cc: Oder Chiou , jack.yu@realtek.com, alsa-devel@alsa-project.org, alexlee@realtek.com, naveen.m@intel.com, shumingf@realtek.com, bardliao@realtek.com, flove@realtek.com Subject: [alsa-devel] [PATCH] ASoC: rt5663: Change the dev getting function in rt5663_irq X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP In the irq handler "rt5663_irq", while the codec is not initialized, rt5663->codec will be null, and it will cause the kernel panic in the debug print enabled. Signed-off-by: Oder Chiou --- sound/soc/codecs/rt5663.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index 767f219..fcd1643 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -1827,7 +1827,8 @@ static irqreturn_t rt5663_irq(int irq, void *data) { struct rt5663_priv *rt5663 = data; - dev_dbg(rt5663->codec->dev, "%s IRQ queue work\n", __func__); + dev_dbg(regmap_get_device(rt5663->regmap), "%s IRQ queue work\n", + __func__); queue_delayed_work(system_wq, &rt5663->jack_detect_work, msecs_to_jiffies(250));