From nobody Tue Jun 23 16:13:23 2026 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 172C7C433F5 for ; Wed, 2 Mar 2022 07:43:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239607AbiCBHnp (ORCPT ); Wed, 2 Mar 2022 02:43:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237756AbiCBHno (ORCPT ); Wed, 2 Mar 2022 02:43:44 -0500 Received: from smtpbguseast1.qq.com (smtpbguseast1.qq.com [54.204.34.129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D7F75DA47 for ; Tue, 1 Mar 2022 23:43:01 -0800 (PST) X-QQ-mid: bizesmtp83t1646206969ta5kjd02 Received: from localhost.localdomain (unknown [58.240.82.166]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 02 Mar 2022 15:42:45 +0800 (CST) X-QQ-SSF: 0140000000200060D000B00A0000000 X-QQ-FEAT: zD6y7hNAcUD/3wlbXio0BPozXLW9pL5wqWTOA31Jq7oAQZTipKOvJ3Bz/j2Gu pu2ZdhZWaTpg61ZMNTAK1g1tiLYdkOraCID8c3xAb5akGX74hFGKu+HIXtN4WCLxQ8gIvmi fefR57OKk5FvSIbwSR0o7KoUtwT7iWO5V8eutYr2fdOiP0nPQT3gkqYB65NYABfKr0HmNW7 1kNNbWhNJlB/3A9KCcyB2uKe+eFFPGR0gi/7gZmv3Fs+CWQuQolUcScoVCn3cam0ys3in+Y wzJJH9saXlDGfwUvyUY+PXmhKoZWt/Wpffe4c0aE0nEFzitJIk0s70Q9fCxuUq1tYsmVKKH tfpB+c92fBFl6kwwqHDStp4EXZzk53iar2HcQer X-QQ-GoodBg: 2 From: Zhen Ni To: perex@perex.cz, tiwai@suse.com Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Zhen Ni Subject: [PATCH] ALSA: intel_hdmi: Fix reference to PCM buffer address Date: Wed, 2 Mar 2022 15:42:41 +0800 Message-Id: <20220302074241.30469-1-nizhen@uniontech.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybgforeign:qybgforeign2 X-QQ-Bgrelay: 1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" PCM buffers might be allocated dynamically when the buffer preallocation failed or a larger buffer is requested, and it's not guaranteed that substream->dma_buffer points to the actually used buffer. The driver needs to refer to substream->runtime->dma_addr instead for the buffer address. Signed-off-by: Zhen Ni --- sound/x86/intel_hdmi_audio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index 1c94eaff1931..4a3ff6468aa7 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -1261,7 +1261,7 @@ static int had_pcm_mmap(struct snd_pcm_substream *sub= stream, { vma->vm_page_prot =3D pgprot_noncached(vma->vm_page_prot); return remap_pfn_range(vma, vma->vm_start, - substream->dma_buffer.addr >> PAGE_SHIFT, + substream->runtime->dma_addr >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot); } =20 --=20 2.20.1