Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp2838489ybk; Tue, 12 May 2020 09:18:16 -0700 (PDT) X-Google-Smtp-Source: APiQypJxZi0TNLAcmSlQfOFCYm9mj8j8sjxdejxKas/rEl5lkUHZjj8Fo8E7Uy9d5DdE1ZFKGyee X-Received: by 2002:a50:8dc2:: with SMTP id s2mr19306573edh.318.1589300295736; Tue, 12 May 2020 09:18:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589300295; cv=none; d=google.com; s=arc-20160816; b=Kz7kKCJW8Zw8MEAKCY+hQeaF0zAUg0KQsAa6m9rFz++nfl/mlCcS/gfbSj2F4mli7Q 9DhkIIVa51b+PEec6+9l4fgU9NKm57aptgxoWd/Fr9FVZKzXyVNVAC5vKtp1HttY0yEM MOuFLfeZxj3r2AnFJwlnl3oyOuTodMYOlMl1FYeuP850nHOmaXE+60W8rid7RJtklF5m goYwYwoTOBByQI1huFIokFbGTu6SwRmZ8o7G+w1UoxKb3BgHojvBtlvQrdk3wruZ0rEN W8rNQBUkgVIqk4JEQlPxiqzAScHAEzecAIlKQmtV1MhjcvS7zEw5BtwrvS7E2FpR5Ev3 x4bQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=Zs0C5EX4lPhQE1OqO5JAV0KOIRJRaohF4bwFhv8yzyo=; b=Q6lQFxbI/CW+mKCD+USJgG/tdz5A2wvWaWQsl2XwXdpe1TPCdXRBJYmS2+AU4PAq8N 5l+2ej+L91Tp9/RjL8RL1tlTd2FerPRNTWB9wo+6cjxcSltX4TYAkYY5Zs95w85uKU2r HwOsJhWfQ1iyjan73BVmREogAz78D8+BM5/udhIL0MczZGiqq1RG8bZf9eFHHe+3yVmx Z7NJx2h4kHOzQuotpBdevZ0KendOYZvz5e4L5BqQKt/ROqhn6PuZstgnV5jnb25rZdnG qYrmVMBpnU5+o00/g3IxKLsnD4JNHNvvv0sNdqxEgYM6ogEv0ganEl80dIr8Lb1dKm7G 3kOA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ck14si7652004edb.67.2020.05.12.09.17.51; Tue, 12 May 2020 09:18:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727030AbgELQON (ORCPT + 99 others); Tue, 12 May 2020 12:14:13 -0400 Received: from verein.lst.de ([213.95.11.211]:42018 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725851AbgELQON (ORCPT ); Tue, 12 May 2020 12:14:13 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 9157D68C65; Tue, 12 May 2020 18:14:11 +0200 (CEST) Date: Tue, 12 May 2020 18:14:11 +0200 From: Christoph Hellwig To: Chen Zhou Cc: hch@lst.de, sagi@grimberg.me, chaitanya.kulkarni@wdc.com, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -next] nvmet: replace kstrndup() with kmemdup_nul() Message-ID: <20200512161411.GC6049@lst.de> References: <20200508115906.165223-1-chenzhou10@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200508115906.165223-1-chenzhou10@huawei.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 08, 2020 at 07:59:06PM +0800, Chen Zhou wrote: > It is more efficient to use kmemdup_nul() if the size is known exactly. > > The doc in kernel: > "Note: Use kmemdup_nul() instead if the size is known exactly." > > Signed-off-by: Chen Zhou Thanks, applied to nvme-5.8.