From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8575277C9D; Sun, 1 Mar 2026 01:49:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772329773; cv=none; b=lIev3NACze2SGiH94LiXi1ejccxWMa3DBHs//8mLEEFJ89wf9nccfxken8EehJ0mIbdsXQzp73VqL8Oy0xcrXhToPrYrw58f7xYwQuYxdNNj8T5pLaKny+C4TG9P1coEG4gMEC8vnSwh7CjeQg40SkOAbUrEX3EjUhGZCE+rZpM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772329773; c=relaxed/simple; bh=As4Sxse9+9YgPmodQUEQGc17ozMdgpf6I/Na7BNvHOs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=tXT9cg4/AYYn72AxAfM2tT2wCDKkO7dxKx8eW3HGIqgbX7JEpnwXuiaKSsn2WszzExNXJdCYieamc3DAcmWkrHsV7tkG6frU5i4jvkg8S6dr6lTF5A9tAytqZDZIryd0hx/wSiSyZZis6HdscDUkavc/aQk4oealAhlglY/Z6Mg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QHEE2XJg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QHEE2XJg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D158C19421; Sun, 1 Mar 2026 01:49:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772329773; bh=As4Sxse9+9YgPmodQUEQGc17ozMdgpf6I/Na7BNvHOs=; h=From:To:Cc:Subject:Date:From; b=QHEE2XJgcaRxMm6j0khN/wAtJRrezyZSrOpEn0uvw/eS7VQ9pjEjqhvHscJiQK6xo iAMfjD68YvPCubntw9QY9BeJkGJ+MHRR5xdWq48qMYd+38mDRxZEgjQKyZYespHKub OO3Hpic1coHyysNfbR03bRVyzr0B0U5EvS2vbdlk2JEhYHa9+gOlXqZLzcBKNKdlcV 1V6BzrfTax+zUyuL9jSV5vTSZGFY1AKN+0s/3q9aBGlha/Xpd/SFTVUGL890JGIkRr 37phcuRJlPHrFUaDlZmpa2aLuLPCxjinpEbuPuyv/36gI1iNWmSmRpRgYlwrlfiFt7 YRrZtlpRYR3HA== From: Sasha Levin To: stable@vger.kernel.org, lihaoxiang@isrc.iscas.ac.cn Cc: Hans Verkuil , linux-media@vger.kernel.org Subject: FAILED: Patch "media: cx88: Add missing unmap in snd_cx88_hw_params()" failed to apply to 5.15-stable tree Date: Sat, 28 Feb 2026 20:49:31 -0500 Message-ID: <20260301014932.1714065-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From dbc527d980f7ba8559de38f8c1e4158c71a78915 Mon Sep 17 00:00:00 2001 From: Haoxiang Li Date: Wed, 10 Dec 2025 10:53:48 +0800 Subject: [PATCH] media: cx88: Add missing unmap in snd_cx88_hw_params() In error path, add cx88_alsa_dma_unmap() to release resource acquired by cx88_alsa_dma_map(). Fixes: b2c75abde0de ("[media] cx88: drop videobuf abuse in cx88-alsa") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Signed-off-by: Hans Verkuil --- drivers/media/pci/cx88/cx88-alsa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c index 29fb1311e4434..4e574d8390b4d 100644 --- a/drivers/media/pci/cx88/cx88-alsa.c +++ b/drivers/media/pci/cx88/cx88-alsa.c @@ -483,8 +483,10 @@ static int snd_cx88_hw_params(struct snd_pcm_substream *substream, ret = cx88_risc_databuffer(chip->pci, &buf->risc, buf->sglist, chip->period_size, chip->num_periods, 1); - if (ret < 0) + if (ret < 0) { + cx88_alsa_dma_unmap(chip); goto error; + } /* Loop back to start of program */ buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); -- 2.51.0