From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 7E3821EE7A1 for ; Thu, 20 Mar 2025 07:22:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742455336; cv=none; b=SeZnqqwp6nxxGmpPz/1B2AI9YtDnvd7pf6+rWC5+Ni+CuqWmepMu5yCi4SAxh0Z/oHwf7ewZ3EuX4E1wRa7emg7F2IUBRm17WgwaurYtpbZvcbCZld5vkX1YmIusbw8jV2iUqPZUklTT1H7jtP+AxflCwN7p+3XA4sqWm01FPq0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742455336; c=relaxed/simple; bh=VxiIaIGYPsQJ5ZaP30ByAl2xle8cn6Fjq+AfbVGI/ag=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E7m7yyv5DBwTd083Vk5z7uZtkaCa0XeIoYiO3iul3qaWrpteJXD222JJ2AEycuIvfuF++BPzQe965wXJ+EcvBFubi2NoQ3FX7DVI/Pe9gl3BW0ZZWrR08karyBIEmN36gbnp8bqlZjZZnZBVtPjGBDh73ANgn/aFZT+WHGQ6yQw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=cOpk/4WM; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="cOpk/4WM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=VxiI aIGYPsQJ5ZaP30ByAl2xle8cn6Fjq+AfbVGI/ag=; b=cOpk/4WMuXL5uLUtxOww vj/nPwjyPmSbkFHS6Q3/hqaVkhN0Em3SwZawe+itzCKzRX7G6Sqg7vIVOd8y49P4 5Q3tOv0o3PWhi3B8mySdtwHP1Rsk17v0T3ZuOiVi30TkuzYMWlfkJtjt0CUPid3v YtGAq/ww5YqsT8fo1u4kYCsSEUa0doRtbm3aBx2WKMyx+Ala0Xcx9BpBgl9ZfqNX JmPef5hMtVhBdSN5+KkkiH29uZHrI3jLUBvpPkZT6p3pwAKibBmJj0k90ergf9Nv plkynR/QP+FKr+I9GsF5WxBAcy0xqiWNvq5jLvuvefpJsyYi2qgeUDglygLcSwv9 IA== Received: (qmail 527233 invoked from network); 20 Mar 2025 08:22:04 +0100 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 20 Mar 2025 08:22:04 +0100 X-UD-Smtp-Session: l3s3148p1@A6Cg/sAwZL8gAwDPXyTHAJp038nK7dx+ Date: Thu, 20 Mar 2025 08:21:58 +0100 From: Wolfram Sang To: Akhil R Cc: ldewangan@nvidia.com, digetx@gmail.com, andi.shyti@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, wsa@kernel.org, linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] i2c: tegra: Return if SMBUS message length is zero Message-ID: Mail-Followup-To: Wolfram Sang , Akhil R , ldewangan@nvidia.com, digetx@gmail.com, andi.shyti@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, wsa@kernel.org, linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250320062201.54070-1-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="kcHYkJHyVb6PiCu3" Content-Disposition: inline In-Reply-To: <20250320062201.54070-1-akhilrajeev@nvidia.com> --kcHYkJHyVb6PiCu3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Mar 20, 2025 at 11:52:01AM +0530, Akhil R wrote: > For SMBUS block read, do not continue to read if the message length > passed from the device is '0'. You probably should also check for I2C_SMBUS_BLOCK_MAX while here. --kcHYkJHyVb6PiCu3 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmfbwhEACgkQFA3kzBSg KbYMRxAAhRzgjE8EO+1EugWLvKKE+pRLUYgQ/0ogaF7/5hCxFGkpuSfit9xPVKe7 8SLONik+y1yA1H3e+lgLXYJVhX0JR4zIqTSIGr6l0YiFa5L0PLU0Tim1sCcV28P0 RGwVeOkGR6MV6RPRGU3+OzwdmEdD+ewMpIw0D/i4bW09JsOzi9xxgDHeliSfRt3b DDVew9hJPuBpbYj8194k/sru9mfMAnmKuCj2WZ/rO1xpFBjLSCc2HbkzROI6+WzY G1a5h1A8SwW/dU6QQqqJ6OZxhgW4ssou45sJBlihIcJ2zj5MeUfmN94UymKBYDQx FX7mzUTvaY3PqxvBDolipY5spj6GBegL6vajlWdxxzye/93EthDHcxOQpGr7Zn7Y J82tV/Mwo+fKGCST3XMC63HcpIjADofBUpqgwXDKPVk2hwd+Meh7E6bY0jhBhpn4 e/mcprXsrxCgiKL/Nrt3OWd1U435Uf2qYNXs9L1OGRaCZRzK9CbJg3QvRyUgXILQ e+nqAlykFkYlE2cNaQTRroxle2mR7X3depYHGUYj6B5sXES+RAq0EahIl/GOwxQN 0qzeZu9XN4KxqCbuWXAJFDmKl5LaVabFhgICWAm+lnv3INLph3HdkQuTMEu27fLv ranqGLs9buJK7CJgt4axW7a4mYDJOJ1mf4MSWp5ji6SZfLDtAvw= =BrIG -----END PGP SIGNATURE----- --kcHYkJHyVb6PiCu3--