From nobody Sun Dec 14 06:37:01 2025 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A9CE242D60; Wed, 10 Dec 2025 08:52:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765356767; cv=none; b=bTTQiFvp6vvcMztyyrRkJ9EaC45mDDazqSBfuSS22Gt7g0BY5d24WwyMppvKdqUq1ROi4pCNUNRAL+nA8vYWGeP8gH2e1EXchXr/6vPyDeVAfWNFg2pZ/HXAMSqKeXcyMY5N+b6zlZhYMKNFChFhAOy2znWu6sxHbUpoZHSA4kU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765356767; c=relaxed/simple; bh=4JAEFzOvbqzvSCkk/X0VDc7q0EdtoYeExC/T2EmYNkY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=af0U1GvKp680pEjdjlBQ5Hyg0tt/4+CDwqy1BQgPwQAG96Yyk44nlzI5f5ywjMLbPQUSYLZq3GnStgnybRtAgX3cAR0VX3/0kpa/ZAtI9E0UBbpPWJ1L87tuqfealNpKAdQ9ZCTbJZ9Zt0WgtinSI1mYBh+swDELXIdsEvM4SIg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.239]) by APP-05 (Coremail) with SMTP id zQCowAAHnA_PNDlp62QyAA--.976S2; Wed, 10 Dec 2025 16:52:31 +0800 (CST) From: Haoxiang Li To: mchehab@kernel.org, lihaoxiang@isrc.iscas.ac.cn, hans.verkuil@cisco.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v2] media: cx25821: Add missing unmap in snd_cx25821_hw_params() Date: Wed, 10 Dec 2025 16:52:30 +0800 Message-Id: <20251210085230.67448-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 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 X-CM-TRANSID: zQCowAAHnA_PNDlp62QyAA--.976S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Xw4rtF4fXw4xJr1DArWUJwb_yoWDJFXEgF 9Fq39rur4UCr4vyr48tr4S934UtFZ8uFs7Z3W3tFyYya4UCF1UJr90v34rJ3yqqrW5A3s0 yry7GFyUArWDAjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6r1F6r1fM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjuHq7UUUU U== X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiBgsME2k49dzpxgAAsF Content-Type: text/plain; charset="utf-8" In error path, add cx25821_alsa_dma_unmap() to release the resource acquired by cx25821_alsa_dma_map() Fixes: 8d8e6d6005de ("[media] cx28521: drop videobuf abuse in cx25821-alsa") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- Changes in v2: - Fix the "Fixes" tag error. --- drivers/media/pci/cx25821/cx25821-alsa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/pci/cx25821/cx25821-alsa.c b/drivers/media/pci/c= x25821/cx25821-alsa.c index a42f0c03a7ca..f463365163b7 100644 --- a/drivers/media/pci/cx25821/cx25821-alsa.c +++ b/drivers/media/pci/cx25821/cx25821-alsa.c @@ -535,6 +535,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substre= am *substream, chip->period_size, chip->num_periods, 1); if (ret < 0) { pr_info("DEBUG: ERROR after cx25821_risc_databuffer_audio()\n"); + cx25821_alsa_dma_unmap(chip); goto error; } =20 --=20 2.25.1