From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.15.3]) (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 578412367BB; Fri, 25 Apr 2025 09:38:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745573910; cv=none; b=YwGlYYVbUhmT6vXdwmKtz7FYr/EJGnEf0VXQKBONCBJ65g9zvmGn0xPKQIpnsBIB6lDVfqyKP/ud7+P3nIQkMc2F6ZbkDo3oRz6xHPAZ53Ie4tM8fZl+xlfXEDw3HOcciyNezaJvhrUrDpI8u+6+XVH/bslioCDYI2eFY01nR/I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745573910; c=relaxed/simple; bh=0Y+AxOJ8G++0yS61dGBy4TG8QkXdaWU2HP7zjvc1ccs=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=N/IeoaDVkjLIq9m8XyerIXCl6bCvALswRmMJN+L2movOlUAjTiEhUww4W6HVmBNlgUJrjE1hA5AW0+NiscJXM2uXe6/n9DVsbkkCJFAM9lJ5nSPSpLgvfvRVK3dWfZiGGZrCqt/VSAdPppXkTaCMS4XAO2OuUIsEF7jIPeGhU04= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=CRGe/ign; arc=none smtp.client-ip=212.227.15.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="CRGe/ign" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1745573897; x=1746178697; i=markus.elfring@web.de; bh=0Y+AxOJ8G++0yS61dGBy4TG8QkXdaWU2HP7zjvc1ccs=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=CRGe/ign2xGFCJJiyn+zVwjNIcYZIfc4Q6jj520O3Dx/+F3x+VYDdHfiHqeuCO6X rn0wVP0rD+ZC2SuRQVPTISA4Stp/i/MuwidlDiiyIKaXlD+mOG2Fw2bNnGsclH0eU +GKqaXQEeDP0GwNRdvB1jyLyGbNIsAoXR7cUqsN73EkLPKK3TzwM4PeR5keBfvv1U I0fQR42z1jv3cNqwgq2L4ApD5iadNz1FpmG2wJBbDlHzOSCQA2KPIfXGqfr9wuZd5 U2OishdZNUhaFupk35kSi4kwnBJxOn/I6t7ynMNPf/6pskuK5x4POw/pTGBfwLEhy hMhKxWyKLhJMI7xoPg== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.29] ([94.31.70.30]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1Mf3qY-1ujD9v22VW-00lDgk; Fri, 25 Apr 2025 11:38:17 +0200 Message-ID: <2fa8f9f9-c0ab-4f18-89c3-a5d48dd4e54f@web.de> Date: Fri, 25 Apr 2025 11:38:14 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Thangaraj Samynathan , netdev@vger.kernel.org, UNGLinuxDriver@microchip.com Cc: LKML , Andrew Lunn , Bryan Whitehead , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni References: <20250425042853.21653-1-thangaraj.s@microchip.com> Subject: Re: [PATCH net] net: lan743x: Fix memory leak when GSO enabled Content-Language: en-GB From: Markus Elfring In-Reply-To: <20250425042853.21653-1-thangaraj.s@microchip.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:+F7LkK38TZYUF5fk+395NBeJ85dGuqbE1DRXalZiD18Zmxnj/Qd fxW3I2NUEFFMtyeQ6hd1v5qsVixEWWZ0zvg20er3ovNv6JHpVwF5Dx3YWbpTw6R+Z7TMH21 pR9WAuMJi16wq08VdVLHZSClCZiIaNIo1N4hUEkiUSJGrZxzif0m4Cuj5ZxdNYNP9NdaZZa Qv9Fn5UC32cPlc4al6tAg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:UIHwE8RI6Q8=;C9Q6ekFpx8emmT6gLjj1QSdADgQ b+7c4gk1G4QTUcsa6Z4U02RSBg5yfpyKdL+69JFyzc/YAIh7ISv3kJ8we2r4778vVbOLnvPwQ KYeaM9B2HxhWLt5GWpgqlyQPZoo3v4fq/gmJ29WhaGOfJLqz6KJ0Sx7au2R+qT1mM5oZJmPpn nmpZJhDr6QoCKYiQCh5gPhThCKoT3nO1hqUjrj/XZtTBFHfWZGwD6SRVT2T8ZJsiW3r7Z7xhp 5ImOyDyrnqAOLp3Xqbdx2JWxWW3OPwL7SjZs9n1bglJyNisH4ZJRv8shvBFT7bYue7nXq0S9Q HgojMyMVVFrzZOoZ6gn6KW6uu9ek/FPd/jtsLfIzoCotmw+BMaXTNrih2f9YtWxdEi+OnbcZc MSMUKsFQZeuOgvqD1MqIMQaMSZ0IfKsOKIQGrsqikvJmlTIo6/MwRKvC7RFuSvIwuNHOPT9O3 oiFH/B72zViAqOGmWnIgYyWkgGwt5hSl7rZPsy6kvB1mNQR7wSERvZg7FWGTtTOU5IBsYMaJw fZ4C/VpUlGQP1/Fb2+E1GsXtmRNMK9gJVMsG2sjeqiaZgtcwrayes2QCpcStG88TofPAVD/ln HWiy9Vw3LH8bWMducX14vU6o71PeIvLjrxkbRTDlGZJT2dI+CHZG759iLzSjyRpzc9Mht5WZJ du0ox3BoqeRX5D30p6jASQu9GosYHjHE3reNvZHBCLjtOaA2X/Ie2mGhQzu5Si9Umf1oB9o1Z TuCyVd8kOoSnBbrCMPU0khPPqWY/1slYiyK4aY0r42ETNmFFgbkPW/D6GHT2VsXLQylmkuEzI Hg7VLTdnWaA7kb7EBdc7ttWEMEx9APO3pRtptu4znpe12cbmVgo/h/ESuSVInLFE8fbOGM8c1 7oD4baRsIo0Bs9APdYF9JGTZFGe0Xsht72YxWaNmTBzLS5j8AEhPGicSwZ9oyiwBTFuqV+GMB VsjDxnV+5eVDbIMBpPPH0ib7zqmYJtRPO7yU5pHvJK9w8VqXoOBHVnWw3Geh/m3Gbs0kftax6 B9BdJxzreIaXsAcBg+Uo+PdpVQ6kIINp7/n6uYNHkjJRDRFC+az7VlQd6XaNguqKZnir8s7eR ZkwuXHqZR50D6j3fjc62jJ2Rd/ZaKTZYFmSneuLjzW2/+LF1IBgcR8H8YhCOvFexwv5Ve1UtH 878L3ZG0nX5uIREbSMZoZ2XNoPEZufsx33g+VR+z1Qdw2kMJf2rK0noupvuLIOF8VF+PRvlML YjKg9ecrDeiwJOyxj37AbR27c8qoo3qMMRKP2liQGp5VsD3IYjuTHuF+1QQfJSjDw0uNQfMAk 5mzqLguu1ugQ0KZGfXvsd4XSpeVXHfTR9bdPKx0vrLYm0kg8bNqMzKJsMRuPJ7QkSYqapNLeJ KI8hKlqEzatphr78gRQJ8tl//I6agNN5N97VP6asJzuZX69ywWskeo8bb+W098VjaEGyWj7b4 5GGXSF9qUS7t/4LrwOKAEbBRTHnSIka+qDUQ8ltpIY0leIswhJNwdThZYo2lkHDho1hjlkuQK TNer6xXXnaUuakfU5B7kSsTi9F4eSSzV0BfjHF6Al72SnYmCZ6z8UKkEB/eDOqgTL8NqM+kcY Vg37cvlOOB2O8L02hHxm4RnmDdHOCelfAJQd6jV81WJfD1jhjmqT1WQl865bXu+mSFdtB7zdG obdZrcloSSDuYWcVYoZPR45981QTx02BpOmJO4G3nGr74Na/ziIV7ShsFXXHxwZYvwTr0b0i3 vpFehLHW4NETvu48UqaDwY6kKDoxsBeX9UliXks771RWmj3QaGAgWoG6fFCM3MpRHe+C2cfan /hkh3T8tba4KSiHKQc3xiSm6Rr763o4kN9U/oLmPjhFVre0PgMHNqvBLVqivhQdsHWarTdLQL yOxakfznqR5tfWKBI71jirPc0xJniYlvQvxZM1p5WzaLWVR/pAfHvTLgfSGQzXu7CwpFqm2/T 5IxPl9ZKvNwLu7QndkSSG/Jg7tWZcl/GKsInGfq1QLyv0BCKNKLSBh31ReGi7DqbRmF2lwLpo KcjVZti3H1t4K2rYSsc/u2u5xMFLH2Fd2upjF7S3hKMbIhHhQKDEbYvo/3qyvfaezTHVaG6Hf h1G8v0OFVpZbYrlQyBiyvwbRwLBBiDHYfGBLwm7VT91FmqgYsQhJml5lwj3vbibnNrSf7yP/4 vDcvCu+KSPUNzhEn6RYzz/5FfYkhuWHQViPKmoGmD8DIlIzzGegVsXGXLTA4wTvupzl9VcftE H4QPHLKXV4zGK6Ngu0WRdjT6QdXWNxNewu7VQFkUL5uRDfmGVep/lRw4u2kElOvxnD6MYokLD m/V50YskpenmnlnzAxYkZw8wVPH0K5P87yMcFoiUjBFSTz6CfSp56ZMY77CvOfLKBPzvw1Ts8 06c+hk9T00DlInuZh6+r3iCNZPm5/QLXrt8s8ZbzCB2k4flLhRnGwdfi7G+nuofLpi2ZiFkvI lW7CUR28GcCppmTEWUDnscGBOD/+FF6G4fO8PLzQR8WA11TV6IKyg7VG8YfveAvQ5kSCpuBaZ 4KYMdJ9+SzWb+/ZjYNWsQOHEMh9KutZDaC6pz9EB3GVvWrmaXEFKSiPysUIW1k4vB/xGdiJp8 PqP1j2cojOiqZeB6hXkWh1IoObG3X2mg9YC/URLfYyfWJAB7RywVU2rgJmRFxgIEYs6loTgWx 3whkWkjHa9B0m8HL+XqlOJ8qpRr+z+izj87qVAFR0sgjmqIOARuza9v9eSbRdcDCpPDAsfqWp KkR81uvSUYoNEiVwResJT/Q28OavATJssLLwyJlWHteemn4+oLEQgF66+9nWhrWycUrmvpmEs NP6Ohsu3udXJIjMHuymyAzBcQS+kaRKV/pjb+rizOVPsRsEw36sHN+7Q2dEypXHuMFnW5djLe I8g0f/k7E4h9GfYdA3cAMqrRp3ig7/UkFORDEGTqLxVldr6TNIDXbdnb2LeSETFoZ5ohS2aTm PHFD2S+OD2T4AUfsXZwWDslpm5uFG0808hjb16oae9PC62kBSrvhxf+ODxY8ARcCuWOk5IzqY L6S176bxfyDZ6KaiKbFCFQ= =E2=80=A6 > implementation has been modified to always map the `skb` to the > last descriptor and always be properly freed. See also: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tre= e/Documentation/process/submitting-patches.rst?h=3Dv6.15-rc3#n94 Regards, Markus