From nobody Thu Dec 18 06:36:13 2025 Received: from mail.ispras.ru (mail.ispras.ru [83.149.199.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 92CD41C6FE8; Fri, 30 May 2025 16:44:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=83.149.199.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748623491; cv=none; b=h7/Pi4PSV0jxC7jGwB1NLCGG2nmOfzBeFQ5wM0Ha2J0BEwT5LZf/Usv7SGhOnP18pM/IfqolJItdAx/+UPyjUeWZYejKrRi/cBjPJiiCHCVCeUOsjX5zo0Ja1GKQ/BDieg6vtjCec79PColrNhmb4qf1GBkeGQd9GOzfty/kvh0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748623491; c=relaxed/simple; bh=N63jKpGiCSXNWDphomYejhXm4R3ctp0/FkZ77iqGKfU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e84gkhYYweglTqO939+skrDZCrvJgcucZPdCzYgqRhlVTymlzbIMc8IpAwX0AgW/A1a4fn4E6BZuhUNaIheP0xXh7wRn94yW8bC2/8QeQ6WH1w6ebPVACoJduNlxGtydd+Fi5MqdlZOcr8R68ukCdbKxlsWUdWdRSj/BI0by7Vg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ispras.ru; spf=pass smtp.mailfrom=ispras.ru; dkim=pass (1024-bit key) header.d=ispras.ru header.i=@ispras.ru header.b=Hy0nElZe; arc=none smtp.client-ip=83.149.199.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ispras.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ispras.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ispras.ru header.i=@ispras.ru header.b="Hy0nElZe" Received: from fedora.intra.ispras.ru (unknown [10.10.165.16]) by mail.ispras.ru (Postfix) with ESMTPSA id 01B994076165; Fri, 30 May 2025 16:44:42 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.ispras.ru 01B994076165 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ispras.ru; s=default; t=1748623482; bh=fPS9KLJ/Uc9OoO0w2alburJ4UW3qX59EuFMYSOSI0iI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hy0nElZeftqtkdS9jx271XZtlE7wOHh2eUSunioomRU4HmPCx6MqLHnkEBqAQKlCT Dq+k2QEU27qC64z/zyJ8yJbcQbnER/ouHR2vgAm0QK1TfjJiqGIW5986FcTKoYLsHf yvr6Wjcl1EKnbvyd7cUDQGTZQsnBSEi193MHAQWQ= From: Fedor Pchelkin To: Liam Girdwood , Mark Brown , Takashi Iwai Cc: Fedor Pchelkin , Jaroslav Kysela , Vijendar Mukunda , Ravulapati Vishnu vardhan rao , Pierre-Louis Bossart , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org, stable@vger.kernel.org Subject: [PATCH 3/3] ASoC: amd: acp3x-pdm-dma: free pdm device data on closing Date: Fri, 30 May 2025 19:44:16 +0300 Message-ID: <20250530164425.119102-4-pchelkin@ispras.ru> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250530164425.119102-1-pchelkin@ispras.ru> References: <20250530164425.119102-1-pchelkin@ispras.ru> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dynamic memory referenced by runtime->private_data pointer is allocated in acp_pdm_dma_open() and needs to be freed in the corresponding ->close() callback. Found by Linux Verification Center (linuxtesting.org). Fixes: 4a767b1d039a ("ASoC: amd: add acp3x pdm driver dma ops") Cc: stable@vger.kernel.org Signed-off-by: Fedor Pchelkin --- sound/soc/amd/renoir/acp3x-pdm-dma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/ac= p3x-pdm-dma.c index 95ac8c680037..6b294040e164 100644 --- a/sound/soc/amd/renoir/acp3x-pdm-dma.c +++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c @@ -301,9 +301,11 @@ static int acp_pdm_dma_close(struct snd_soc_component = *component, struct snd_pcm_substream *substream) { struct pdm_dev_data *adata =3D dev_get_drvdata(component->dev); + struct snd_pcm_runtime *runtime =3D substream->runtime; =20 disable_pdm_interrupts(adata->acp_base); adata->capture_stream =3D NULL; + kfree(runtime->private_data); return 0; } =20 --=20 2.49.0