From patchwork Tue Apr 5 07:23:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 557075 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DB11C433EF for ; Tue, 5 Apr 2022 11:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352318AbiDELH5 (ORCPT ); Tue, 5 Apr 2022 07:07:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348757AbiDEJsb (ORCPT ); Tue, 5 Apr 2022 05:48:31 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C1364BFE6; Tue, 5 Apr 2022 02:34:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 04362B81B75; Tue, 5 Apr 2022 09:34:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D823C385A4; Tue, 5 Apr 2022 09:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649151290; bh=rrq5DQ4s3Epa8STH7GdSx073QvvtZEtfAAz8FBiN6QM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i1atCNA2C3N/2zoFBNds1hPeBQXcu42y6/L5xNK5M5ggZmNwgGRsomGQQw9bLFzXI P0CTiYZAb14pZCekT8PX1fg4SY3+x2v2Bk5tMa1oWDlbBUrzE+W10sBXHoKuURJnsV 86xnMEML+Pg2rVbXC9N8zlobuDDKK2JNruixew4c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Codrin Ciubotariu , Mark Brown , Sasha Levin Subject: [PATCH 5.15 361/913] ASoC: dmaengine: do not use a NULL prepare_slave_config() callback Date: Tue, 5 Apr 2022 09:23:43 +0200 Message-Id: <20220405070350.666729129@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070339.801210740@linuxfoundation.org> References: <20220405070339.801210740@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Codrin Ciubotariu [ Upstream commit 9a1e13440a4f2e7566fd4c5eae6a53e6400e08a4 ] Even if struct snd_dmaengine_pcm_config is used, prepare_slave_config() callback might not be set. Check if this callback is set before using it. Fixes: fa654e085300 ("ASoC: dmaengine-pcm: Provide default config") Signed-off-by: Codrin Ciubotariu Link: https://lore.kernel.org/r/20220307122202.2251639-2-codrin.ciubotariu@microchip.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/soc-generic-dmaengine-pcm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index 4aa48c74f21a..38f3f36c1d72 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -82,10 +82,10 @@ static int dmaengine_pcm_hw_params(struct snd_soc_component *component, memset(&slave_config, 0, sizeof(slave_config)); - if (!pcm->config) - prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; - else + if (pcm->config && pcm->config->prepare_slave_config) prepare_slave_config = pcm->config->prepare_slave_config; + else + prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; if (prepare_slave_config) { int ret = prepare_slave_config(substream, params, &slave_config);