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 769C8C35278 for ; Mon, 28 Feb 2022 11:20:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235646AbiB1LUx (ORCPT ); Mon, 28 Feb 2022 06:20:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235316AbiB1LUu (ORCPT ); Mon, 28 Feb 2022 06:20:50 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18C2A381BD; Mon, 28 Feb 2022 03:20:11 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B28EEB81088; Mon, 28 Feb 2022 11:20:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 577DAC340E7; Mon, 28 Feb 2022 11:20:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646047208; bh=TZYI8CoLqZwdjhCp4FIqkyAKtFSpIqtbXR7Aczi5lHQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=C57riiYnEjUdxOZhn04GGyA8PIVDUJ6DJKuCKjTYwuUmTfW6bVKDrs724kyxSBaKx RgI2btjN0kChcFl20e7HpTgxlexOr2YrBREdqqTBvDVt/Whdw/5z0V77N814zObmo3 /EeMG4N6szzw6EaZ5Y2WBm3/aL7Ea4aeZYOpa8Fs= Date: Mon, 28 Feb 2022 12:20:03 +0100 From: Greg KH To: Jakob Koschel Cc: Linus Torvalds , linux-arch , Thomas Gleixner , Arnd Bergman , Andy Shevchenko , Andrew Morton , Kees Cook , Mike Rapoport , "Gustavo A. R. Silva" , Brian Johannesmeyer , Cristiano Giuffrida , "Bos, H.J." , Christophe JAILLET , Dan Carpenter , Jason Gunthorpe , Rasmus Villemoes , Nathan Chancellor , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sgx@vger.kernel.org, drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, linux-iio@vger.kernel.org, linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org, linux1394-devel@lists.sourceforge.net, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-staging@lists.linux.dev, linux-usb@vger.kernel.org, linux-aspeed@lists.ozlabs.org, bcm-kernel-feedback-list@broadcom.com, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, kvm@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, kgdb-bugreport@lists.sourceforge.net, v9fs-developer@lists.sourceforge.net, tipc-discussion@lists.sourceforge.net, alsa-devel@alsa-project.org Subject: Re: [PATCH 2/6] treewide: remove using list iterator after loop body as a ptr Message-ID: References: <20220228110822.491923-1-jakobkoschel@gmail.com> <20220228110822.491923-3-jakobkoschel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220228110822.491923-3-jakobkoschel@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Mon, Feb 28, 2022 at 12:08:18PM +0100, Jakob Koschel wrote: > If the list does not contain the expected element, the value of > list_for_each_entry() iterator will not point to a valid structure. > To avoid type confusion in such case, the list iterator > scope will be limited to list_for_each_entry() loop. > > In preparation to limiting scope of a list iterator to the list traversal > loop, use a dedicated pointer to point to the found element. > Determining if an element was found is then simply checking if > the pointer is != NULL. > > Signed-off-by: Jakob Koschel > --- > arch/x86/kernel/cpu/sgx/encl.c | 6 +++-- > drivers/scsi/scsi_transport_sas.c | 17 ++++++++----- > drivers/thermal/thermal_core.c | 38 ++++++++++++++++++---------- > drivers/usb/gadget/configfs.c | 22 ++++++++++------ > drivers/usb/gadget/udc/max3420_udc.c | 11 +++++--- > drivers/usb/gadget/udc/tegra-xudc.c | 11 +++++--- > drivers/usb/mtu3/mtu3_gadget.c | 11 +++++--- > drivers/usb/musb/musb_gadget.c | 11 +++++--- > drivers/vfio/mdev/mdev_core.c | 11 +++++--- > 9 files changed, 88 insertions(+), 50 deletions(-) The drivers/usb/ portion of this patch should be in patch 1/X, right? Also, you will have to split these up per-subsystem so that the different subsystem maintainers can take these in their trees. thanks, greg k-h