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Tue, 24 Feb 2026 15:47:00 +0000 Message-ID: <8cfa8e20-1b6a-4d8f-8914-e085e839d250@intel.com> Date: Tue, 24 Feb 2026 16:46:55 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6] ALSA: control: Verify put() result when in debug mode To: Takashi Iwai CC: , , , , , References: <20260223144937.524019-1-cezary.rojewski@intel.com> <87o6lexs08.wl-tiwai@suse.de> Content-Language: en-US From: Cezary Rojewski In-Reply-To: <87o6lexs08.wl-tiwai@suse.de> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: WA2P291CA0009.POLP291.PROD.OUTLOOK.COM (2603:10a6:1d0:1e::6) To SN7PR11MB8283.namprd11.prod.outlook.com (2603:10b6:806:26c::16) Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN7PR11MB8283:EE_|LV1PR11MB8844:EE_ X-MS-Office365-Filtering-Correlation-Id: a49d7e49-735b-44ec-7fdc-08de73bbf309 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024; 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>> >> snd_info_card_disconnect(card); >> +#ifdef CONFIG_SND_CTL_DEBUG >> + kfree(card->value_buf); >> +#endif >> #ifdef CONFIG_SND_DEBUG >> debugfs_remove(card->debugfs_root); >> card->debugfs_root = NULL; > > IMO, it's better to be put in snd_card_do_free() which is the place to > release the actual resources. No problem, a question though - I've written the above to be cohesive as CONFIG_SND_DEBUG-part isn't part of snd_card_do_free() and what I'm adding is definitely also of debug-related capability. IIRC debugfs_remove() may invoke kfree() operations. Why isn't it part of snd_card_do_free() too? Kind regards, Czarek