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[209.132.180.67]) by mx.google.com with ESMTP id p19-v6si26609395plo.432.2018.09.21.08.21.46; Fri, 21 Sep 2018 08:22:10 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390431AbeIUVJK (ORCPT + 99 others); Fri, 21 Sep 2018 17:09:10 -0400 Received: from mailout.easymail.ca ([64.68.200.34]:52902 "EHLO mailout.easymail.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390076AbeIUVJK (ORCPT ); Fri, 21 Sep 2018 17:09:10 -0400 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id 77F3F21760; Fri, 21 Sep 2018 15:19:47 +0000 (UTC) Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo02-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LcDoBpOJYK_T; Fri, 21 Sep 2018 15:19:47 +0000 (UTC) Received: from mail.gonehiking.org (c-24-9-64-241.hsd1.co.comcast.net [24.9.64.241]) by mailout.easymail.ca (Postfix) with ESMTPA id D7DA02131D; Fri, 21 Sep 2018 15:19:41 +0000 (UTC) Received: from [192.168.1.4] (rhapsody.internal [192.168.1.4]) by mail.gonehiking.org (Postfix) with ESMTP id B82EB9F2E8; Fri, 21 Sep 2018 09:19:40 -0600 (MDT) Subject: Re: [PATCH] scsi: FlashPoint: Remove unnecessary parentheses To: Nathan Chancellor , "James E.J. Bottomley" , "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20180920211032.21840-1-natechancellor@gmail.com> From: Khalid Aziz Openpgp: preference=signencrypt Autocrypt: addr=khalid@gonehiking.org; prefer-encrypt=mutual; keydata= xsFNBFA5V58BEADa1EDo4fqJ3PMxVmv0ZkyezncGLKX6N7Dy16P6J0XlysqHZANmLR98yUk4 1rpAY/Sj/+dhHy4AeMWT/E+f/5vZeUc4PXN2xqOlkpANPuFjQ/0I1KI2csPdD0ZHMhsXRKeN v32eOBivxyV0ZHUzO6wLie/VZHeem2r35mRrpOBsMLVvcQpmlkIByStXGpV4uiBgUfwE9zgo OSZ6m3sQnbqE7oSGJaFdqhusrtWesH5QK5gVmsQoIrkOt3Al5MvwnTPKNX5++Hbi+SaavCrO DBoJolWd5R+H8aRpBh5B5R2XbIS8ELGJZfqV+bb1BRKeo0kvCi7G6G4X//YNsgLv7Xl0+Aiw Iu/ybxI1d4AtBE9yZlyG21q4LnO93lCMJz/XqpcyG7DtrWTVfAFaF5Xl1GT+BKPEJcI2NnYn GIXydyh7glBjI8GAZA/8aJ+Y3OCQtVxEub5gyx/6oKcM12lpbztVFnB8+S/+WLbHLxm/t8l+ Rg+Y4jCNm3zB60Vzlz8sj1NQbjqZYBtBbmpy7DzYTAbE3P7P+pmvWC2AevljxepR42hToIY0 sxPAX00K+UzTUwXb2Fxvw37ibC5wk3t7d/IC0OLV+X29vyhmuwZ0K1+oKeI34ESlyU9Nk7sy c1WJmk71XIoxJhObOiXmZIvWaOJkUM2yZ2onXtDM45YZ8kyYTwARAQABzSNLaGFsaWQgQXpp eiA8a2hhbGlkQGdvbmVoaWtpbmcub3JnPsLBegQTAQgAJAIbAwULCQgHAwUVCgkICwUWAgMB AAIeAQIXgAUCUDlYcgIZAQAKCRDNWKGxftAz+mCdD/4s/LpQAYcoZ7TwwQnZFNHNZmVQ2+li 3sht1MnFNndcCzVXHSWd/fh00z2du3ccPl51fXU4lHbiG3ZyrjX2Umx48C20Xg8gbmdUBzq4 9+s12COrgwgsLyWZAXzCMWYXOn9ijPHeSQSq1XYj8p2w4oVjMa/QfGueKiJ5a14yhCwye2AM f5o8uDLf+UNPgJIYAGJ46fT6k5OzXGVIgIGmMZCbYPhhSAvLKBfLaIFd5Bu6sPjp0tJDXJd8 pG831Kalbqxk7e08FZ76opzWF9x/ZjLPfTtr4xiVvx+f9g/5E83/A5SvgKyYHdb3Nevz0nvn MqQIVfZFPUAQfGxdWgRsFCudl6i9wEGYTcOGe00t7JPbYolLlvdn+tA+BCE5jW+4cFg3HmIf YFchQtp+AGxDXG3lwJcNwk0/x+Py3vwlZIVXbdxXqYc7raaO/+us8GSlnsO+hzC3TQE2E/Hy n45FDXgl51rV6euNcDRFUWGE0d/25oKBXGNHm+l/MRvV8mAdg3iTiy2+tAKMYmg0PykiNsjD b3P5sMtqeDxr3epMO+dO6+GYzZsWU2YplWGGzEKI8sn1CrPsJzcMJDoWUv6v3YL+YKnwSyl1 Q1Dlo+K9FeALqBE5FTDlwWPh2SSIlRtHEf8EynUqLSCjOtRhykmqAn+mzIQk+hIy6a0to9iX uLRdVc7BTQRQOVefARAAsdGTEi98RDUGFrxK5ai2R2t9XukLLRbRmwyYYx7sc7eYp7W4zbnI W6J+hKv3aQsk0C0Em4QCHf9vXOH7dGrgkfpvG6aQlTMRWnmiVY99V9jTZGwK619fpmFXgdAt WFPMeNKVGkYzyMMjGQ4YbfDcy04BSH2fEok0jx7Jjjm0U+LtSJL8fU4tWhlkKHtO1oQ9Y9HH Uie/D/90TYm1nh7TBlEn0I347zoFHw1YwRO13xcTCh4SL6XaQuggofvlim4rhwSN/I19wK3i YwAm3BTBzvJGXbauW0HiLygOvrvXiuUbyugMksKFI9DMPRbDiVgCqe0lpUVW3/0ynpFwFKeR FyDouBc2gOx8UTbcFRceOEew9eNMhzKJ2cvIDqXqIIvwEBrA+o92VkFmRG78PleBr0E8WH2/ /H/MI3yrHD4F4vTRiPwpJ1sO/JUKjOdfZonDF6Hu/Beb0U5coW6u7ENKBmaQ/nO1pHrsqZp+ 2ErG02yOHF5wDWxxgbd4jgcNTKJiY9F1cdKP+NbWW/rnJgem8qYI3a4VkIkFT5BE2eYLvZlR cIzWc/ve/RoQh6jzXD0T08whoajZ1Y3yFQ8oyLSFt8ybxF0b5XryL2RVeHQTkE8NKwoGVYTn ER+o7x2sUGbIkjHrE4Gq2cooEl9lMv6I5TEkvP1E5hiZFJWYYnrXa/cAEQEAAcLBXwQYAQgA CQUCUDlXnwIbDAAKCRDNWKGxftAz+reUEACQ+rz2AlVZZcUdMxWoiHqJTb5JnaF7RBIBt6Ia LB9triebZ7GGW+dVPnLW0ZR1X3gTaswo0pSFU9ofHkG2WKoYM8FbzSR031k2NNk/CR0lw5Bh whAUZ0w2jgF4Lr+u8u6zU7Qc2dKEIa5rpINPYDYrJpRrRvNne7sj5ZoWNp5ctl8NBory6s3b bXvQ8zlMxx42oF4ouCcWtrm0mg3Zk3SQQSVn/MIGCafk8HdwtYsHpGmNEVn0hJKvUP6lAGGS uDDmwP+Q+ThOq6b6uIDPKZzYSaa9TmL4YIUY8OTjONJ0FLOQl7DsCVY9UIHF61AKOSrdgCJm N3d5lXevKWeYa+v6U7QXxM53e1L+6h1CSABlICA09WJP0Fy7ZOTvVjlJ3ApO0Oqsi8iArScp fbUuQYfPdk/QjyIzqvzklDfeH95HXLYEq8g+u7nf9jzRgff5230YW7BW0Xa94FPLXyHSc85T E1CNnmSCtgX15U67Grz03Hp9O29Dlg2XFGr9rK46Caph3seP5dBFjvPXIEC2lmyRDFPmw4yw KQczTkg+QRkC4j/CEFXw0EkwR8tDAPW/NVnWr/KSnR/qzdA4RRuevLSK0SYSouLQr4IoxAuj nniu8LClUU5YxbF57rmw5bPlMrBNhO5arD8/b/XxLx/4jGQrcYM+VrMKALwKvPfj20mB6A== Message-ID: Date: Fri, 21 Sep 2018 09:19:40 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180920211032.21840-1-natechancellor@gmail.com> Content-Type: text/plain; charset=utf-8 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 09/20/2018 03:10 PM, Nathan Chancellor wrote: > Clang warns when multiple pairs of parentheses are used for a single > conditional statement. > > In file included from drivers/scsi/BusLogic.c:57: > drivers/scsi/FlashPoint.c:2947:34: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] > if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) { > ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ > drivers/scsi/FlashPoint.c:2947:34: note: remove extraneous parentheses around the comparison to silence this warning > if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) { > ~ ^ ~ > drivers/scsi/FlashPoint.c:2947:34: note: use '=' to turn this equality comparison into an assignment > if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) { > ^~ > = > drivers/scsi/FlashPoint.c:2956:39: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] > else if ((currSCCB->Sccb_scsistat == > ~~~~~~~~~~~~~~~~~~~~~~~~^~ > drivers/scsi/FlashPoint.c:2956:39: note: remove extraneous parentheses around the comparison to silence this warning > else if ((currSCCB->Sccb_scsistat == > ~ ^ > drivers/scsi/FlashPoint.c:2956:39: note: use '=' to turn this equality comparison into an assignment > else if ((currSCCB->Sccb_scsistat == > ^~ > = > 2 warnings generated. > > Link: https://github.com/ClangBuiltLinux/linux/issues/156 > Signed-off-by: Nathan Chancellor > --- > drivers/scsi/FlashPoint.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > There are more places in this file with extraneous parentheses, for example: 952 if ((RD_HARPOON(ioport + hp_vendor_id_1) != ORION_VEND_1)) 953 return (int)FAILURE; 954 955 if ((RD_HARPOON(ioport + hp_device_id_0) != ORION_DEV_0)) 956 return (int)FAILURE; 957 958 if ((RD_HARPOON(ioport + hp_device_id_1) != ORION_DEV_1)) Wonder why the compiler does not complain about these, but this patch is good for now. I will clean up the rest in another patch. James, Martin, please pull this patch into the scsi tree. Acked-by: Khalid Aziz