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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, 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 61675C433E6 for ; Mon, 20 Jul 2020 16:20:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35D7920656 for ; Mon, 20 Jul 2020 16:20:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595262018; bh=fvKTvQppfJjOPm9ev9R0LLaRbKSdKwZuxaEYJ+Ekcjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=m/4smzbh+eE1b4souWmYsLZw/RBhbOfIHHajerhJenthIWeGW6MOJa248jLPVWcKF I1zrZpCDxpxqnj3nuuAxUUe7+uCFdXNvmu8TE88IOsPZ407GbwH9ScpRUvIE/S5LnK WnRoxNWk5Zl8Dy5T1sOv/4WMNpc2DaxfZlmd7iE4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387672AbgGTQKa (ORCPT ); Mon, 20 Jul 2020 12:10:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:48946 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387656AbgGTQK0 (ORCPT ); Mon, 20 Jul 2020 12:10:26 -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 081D42065E; Mon, 20 Jul 2020 16:10:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595261425; bh=fvKTvQppfJjOPm9ev9R0LLaRbKSdKwZuxaEYJ+Ekcjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fXbZnC8n4w50Cy4shKIIZ+oZ/0Jm5OusJ6anO9Dc/B3iWobqY5rDcuMiZLAZnTCoV CvCe4XDV/tCuQIiz/Rh0gz/qHaE5a70e42uzXUuUwmWoi2UDni0Eex7npP1pkkR0Va klUVRpnF/Y446u0jqJAVNfKIYMitxVM93t8fhDFE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pierre-Louis Bossart , Daniel Baluta , Kai Vehmanen , Rander Wang , Guennadi Liakhovetski , Bard Liao , Vinod Koul , Sasha Levin Subject: [PATCH 5.7 081/244] soundwire: intel: fix memory leak with devm_kasprintf Date: Mon, 20 Jul 2020 17:35:52 +0200 Message-Id: <20200720152829.695257062@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200720152825.863040590@linuxfoundation.org> References: <20200720152825.863040590@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Pierre-Louis Bossart [ Upstream commit bf6d6e68d2028a2d82f4c106f50ec75cc1e6ef89 ] The dais are allocated with devm_kcalloc() but their name isn't resourced managed and never freed. Fix by also using devm_ for the dai names as well. Fixes: c46302ec554c5 ('soundwire: intel: Add audio DAI ops') Signed-off-by: Pierre-Louis Bossart Reviewed-by: Daniel Baluta Reviewed-by: Kai Vehmanen Reviewed-by: Rander Wang Reviewed-by: Guennadi Liakhovetski Reviewed-by: Bard Liao Link: https://lore.kernel.org/r/20200617163536.17401-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/soundwire/intel.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 3c83e76c6bf90..cab425070e641 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -930,8 +930,9 @@ static int intel_create_dai(struct sdw_cdns *cdns, /* TODO: Read supported rates/formats from hardware */ for (i = off; i < (off + num); i++) { - dais[i].name = kasprintf(GFP_KERNEL, "SDW%d Pin%d", - cdns->instance, i); + dais[i].name = devm_kasprintf(cdns->dev, GFP_KERNEL, + "SDW%d Pin%d", + cdns->instance, i); if (!dais[i].name) return -ENOMEM; -- 2.25.1