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[209.132.180.67]) by mx.google.com with ESMTP id 36si16510785pld.6.2019.04.04.04.02.10; Thu, 04 Apr 2019 04:02:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=Oz1gturP; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728750AbfDDLB3 (ORCPT + 99 others); Thu, 4 Apr 2019 07:01:29 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:43761 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726563AbfDDLB2 (ORCPT ); Thu, 4 Apr 2019 07:01:28 -0400 Received: by mail-pf1-f194.google.com with SMTP id c8so1182887pfd.10 for ; Thu, 04 Apr 2019 04:01:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=aG982yCvfZuE+6Oa07FJqp2linVdPpjUSF/tOT7nVek=; b=Oz1gturPvo2/dkD3kdITn++HSOS0AL7GkAZ0hu1GHDLO9NfCIwTmz0wAGiHj9MJTMJ rBJdqXbaO0EEER0et8PyS3aNbtsdqhwKyDpIt7xDymJE6I5T8WV02Q16jUUg3t58wF7g cOXxLyk7OijpI98iIB4zODYxLUoEjaaimT/AW0b1NlgLY2O3/BW1KX/eR0IxCS4UbFNj /lRX/rMhSBovnnOVJLqfR1lCoJX+CktakFYFYlRmXKYr9UAZLZHDTXrl0faAzTCNtJBM 1YDqBBBGd8ThiBGdxZtG8f5RML4CQ4uIx1lz6ft9YvnfBhbrg8qdWesyZTG5U2F5RfRB Bs7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=aG982yCvfZuE+6Oa07FJqp2linVdPpjUSF/tOT7nVek=; b=GJWQy3J8H7LpGXiqr3KB0nHLTaMgxWUBTMSrKFnQl4CheRlXwMjFkKNIrJnj8y//in 2c3kWMPLXbgUHXExu9gyh9tfuLBLVRzyaFnKwAkS4fKeN9Lr6AOfQ6vTpz6rUZIr5PCc JwQhwjt1FfRRXGUp5PH7zgNiJf7LApSNwL+p36kKxEedFQq2JNOiq0N3iJfDD6DshCeS kFPpkm9MlxjQkQRL4aEvMXgIG9VYE5wwqzN/tSLs6qaZEbXKMD2LfRW9uZav+cP6OEI3 ZqITrvla7yX/SdYU0FQUpJ4CvvIl2I7lE6RnXxu9Rz3h2zpx1xG05XxH6bKWgzoWt6tv NkNQ== X-Gm-Message-State: APjAAAUjiwdySvKLJKPl5k8B8NQKzw0nVws0Wwt1Ys+gUC0lwDJLhP/L MDJeCyjIXoRloPUQcjm4JKqlng== X-Received: by 2002:aa7:83d1:: with SMTP id j17mr5311631pfn.78.1554375688038; Thu, 04 Apr 2019 04:01:28 -0700 (PDT) Received: from [10.71.9.192] ([147.50.13.10]) by smtp.googlemail.com with ESMTPSA id v7sm24829634pgh.53.2019.04.04.04.01.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 Apr 2019 04:01:27 -0700 (PDT) Subject: Re: [PATCH] nvmem: core: fix read buffer in place To: Jorge Ramirez-Ortiz Cc: linux-kernel@vger.kernel.org, niklas.cassel@linaro.org References: <20190320193242.20159-1-jorge.ramirez-ortiz@linaro.org> From: Srinivas Kandagatla Message-ID: Date: Thu, 4 Apr 2019 12:01:25 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190320193242.20159-1-jorge.ramirez-ortiz@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/03/2019 19:32, Jorge Ramirez-Ortiz wrote: > When the bit_offset in the cell is zero, the pointer to the msb will > not be properly initialized (ie, will still be pointing to the first > byte in the buffer). > > This being the case, if there are bits to clear in the msb, those will > be left untouched while the mask will incorrectly clear bit positions > on the first byte. > > This commit also makes sure that any byte unused in the cell is > cleared. > > Signed-off-by: Jorge Ramirez-Ortiz Applied Thanks, Srini