From mboxrd@z Thu Jan 1 00:00:00 1970 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 723E6C4167B for ; Sat, 2 Dec 2023 12:06:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232670AbjLBMGT (ORCPT ); Sat, 2 Dec 2023 07:06:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44290 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229472AbjLBMGS (ORCPT ); Sat, 2 Dec 2023 07:06:18 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4C17CF for ; Sat, 2 Dec 2023 04:06:24 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED22AC433C9; Sat, 2 Dec 2023 12:06:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701518784; bh=lHADNuvaU9fEsiOx3WC4Nblcr6d09geCfLNRdzQPQKg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=n0oqdSdh08rPJOVrFYFfyx7NqsvxpRJFSodxRD3n5BtytNOgMaFMG+THMnfSMpKab Kp/eW99rJ1txx84Z9TRvY5jepIcPdIBYhSHy2We0O971TKCYzencOjWONfyw0gftFa kA64qhnbovY/3FULTRSq+IcU1OgGoz0oBA67IfdmLIwn+87P4AhFYOkPxMFajyAQ90 gEUZvNA9yzK1TjcKgFQ59V1boVyZHRD7amW4GyyWyvJhho/1VFko2WaYhwm5hFkRis M9UEaXExWI4d9QT+6Zi2SD79Q1n+82yz6kXGFHcgmZ9OYgy+7mN1uvUh/lwChMvWno tFzwa7yVoQMwQ== Message-ID: <406ec8fe-a407-446b-a368-c68e90f1249a@kernel.org> Date: Sat, 2 Dec 2023 13:06:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 3/5] w1: ds2433: introduce a configuration structure Content-Language: en-US To: marc.ferland@gmail.com, krzysztof.kozlowski@linaro.org Cc: gregkh@linuxfoundation.org, marc.ferland@sonatest.com, jeff.dagenais@gmail.com, rdunlap@infradead.org, linux-kernel@vger.kernel.org References: <20231130135232.191320-1-marc.ferland@sonatest.com> <20231130135232.191320-4-marc.ferland@sonatest.com> From: Krzysztof Kozlowski Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/11/2023 14:52, marc.ferland@gmail.com wrote: > static int w1_f23_add_slave(struct w1_slave *sl) > { > -#ifdef CONFIG_W1_SLAVE_DS2433_CRC > struct w1_f23_data *data; > > data = kzalloc(sizeof(struct w1_f23_data), GFP_KERNEL); > if (!data) > return -ENOMEM; > + > + data->cfg = &config_f23; > + > +#ifdef CONFIG_W1_SLAVE_DS2433_CRC > + data->memory = kzalloc(data->cfg->eeprom_size, GFP_KERNEL); > + if (!data->memory) { > + kfree(data); > + return -ENOMEM; > + } > +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ > sl->family_data = data; > > -#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ > return 0; > } > > static void w1_f23_remove_slave(struct w1_slave *sl) > { > + struct w1_f23_data *data = sl->family_data; > #ifdef CONFIG_W1_SLAVE_DS2433_CRC > - kfree(sl->family_data); > + kfree(data->memory); > +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ > + kfree(data); > sl->family_data = NULL; This should be before kfree(), to match w1_f23_add_slave(). You can move it now, since you store the pointer in data. > -#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ > } > > static const struct w1_family_ops w1_f23_fops = { Best regards, Krzysztof