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Tue, 24 Jul 2018 16:50:47 +0000 (GMT) Received: from eucas1p2.samsung.com ( [182.198.249.207]) by eusmges2new.samsung.com (EUCPMTA) with SMTP id 04.73.05751.6E8575B5; Tue, 24 Jul 2018 17:50:46 +0100 (BST) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eucas1p2.samsung.com (KnoxPortal) with ESMTP id 20180724165046eucas1p2f2b94b7a4642c977d76df0462b6750ea~EXBt3uHC30418704187eucas1p2R; Tue, 24 Jul 2018 16:50:46 +0000 (GMT) X-AuditID: cbfec7f4-c2dff70000001677-fe-5b5758e6d644 Received: from eusync3.samsung.com ( [203.254.199.213]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 52.7D.04178.6E8575B5; Tue, 24 Jul 2018 17:50:46 +0100 (BST) Received: from amdc3058.localnet ([106.120.53.102]) by eusync3.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0PCD00CHQQSM1S70@eusync3.samsung.com>; Tue, 24 Jul 2018 17:50:46 +0100 (BST) From: Bartlomiej Zolnierkiewicz To: Colin King Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement Date: Tue, 24 Jul 2018 18:50:45 +0200 Message-id: <2543058.xq6agm5N8h@amdc3058> User-Agent: KMail/4.13.3 (Linux/3.13.0-96-generic; KDE/4.13.3; x86_64; ; ) In-reply-to: <20180716134458.8654-1-colin.king@canonical.com> MIME-version: 1.0 Content-transfer-encoding: 7Bit Content-type: text/plain; charset="us-ascii" X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrNIsWRmVeSWpSXmKPExsWy7djP87rPIsKjDda+M7L4vbqXzeLK1/ds FltvSVuc6PvAanF51xw2B1aPWQ29bB73u48zeXzeJBfAHMVlk5Kak1mWWqRvl8CVcbDvIkvB MpaKbXv2MzYw7mTuYuTkkBAwkdjf3cPWxcjFISSwglGi8cwXKOczo8SsaV/YYar+LZkK1iEk sIxRYt8WPYii34wSaxeeYAJJsAlYSUxsX8XYxcjBISKgKXH+XBFIDbNAI6PErYnbwOLCArES S+5agpSzCKhK9O+EuIIXqPzsjDesILaogJfEln3tYCM5BWwlvv59xApRIyjxY/I9FhCbWUBe Yt/+qawQto7E2WPrGCHunMEmcaedA8J2kZi38CYbhC0s8er4FqhfZCQ6Ow4ygdwmITCdUeLN r6UsEM56Rok1Z44xQVRZSxw+fhFqA5/EpG3TmUEekBDglehoE4Io8ZD42zuHGRIQExglnk2e wjSBUWYWkmNnITl2FpJjFzAyr2IUTy0tzk1PLTbKSy3XK07MLS7NS9dLzs/dxAiM8tP/jn/Z wbjrT9IhRgEORiUe3o924dFCrIllxZW5hxglOJiVRHhNA4FCvCmJlVWpRfnxRaU5qcWHGKU5 WJTEeeM06qKEBNITS1KzU1MLUotgskwcnFINjCzMPy24xeM+6hr8NwpcOnmz3+NHmQrl+g85 DY1m2bQ0rNVgPnRL2KLWT/Xao/Ms++vZ0yfu3nLFOVJ1D+fL5WdWBvsV/KlapvFgL8e+K+dm H47TWvhe/LupwqtQq1VbUw53eIuurT4v8m/tPNsZDke8bTJkNY/61LIkzJofV1/+pFpVb9WB +UosxRmJhlrMRcWJALz0mEnuAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrFLMWRmVeSWpSXmKPExsVy+t/xq7rPIsKjDc7u4LH4vbqXzeLK1/ds FltvSVuc6PvAanF51xw2B1aPWQ29bB73u48zeXzeJBfAHMVlk5Kak1mWWqRvl8CVcbDvIkvB MpaKbXv2MzYw7mTuYuTkkBAwkfi3ZCqQzcUhJLCEUaLz+k02COcvo8SyGxdZQKrYBKwkJrav Yuxi5OAQEdCUOH+uCKSGWaCRUeL6z6lgcWGBWIkldy1BylkEVCX6d0Is4AUqPzvjDSuILSrg JbFlXzsTiM0pYCvx9e8jVohdkxgl3l3+wwTRICjxY/I9sL3MAvIS+/ZPZYWwtSTW7zzONIGR fxaSsllIymYhKVvAyLyKUSS1tDg3PbfYUK84Mbe4NC9dLzk/dxMjMES3Hfu5eQfjpY3BhxgF OBiVeHg9HMOjhVgTy4orcw8xSnAwK4nwmgYChXhTEiurUovy44tKc1KLDzFKc7AoifOeN6iM EhJITyxJzU5NLUgtgskycXBKNTDyGwQfjMoU2c116l7HrTeTr0rvyZjw1vnInhMvpQI61vv4 CKh2lNddyI7d/yL8xKa3+nqTJ78uOcRcMPWix+n0Zf+ufjikGGqkqNM8hWWG9psJa1YvmyC1 UzPdird8g+dfwU1b1m2/cf5DQeKj/fz1WQkO+z3P5HU+LxVm6tqSFXo3XcZdQ4JViaU4I9FQ i7moOBEABvuTMU0CAAA= X-CMS-MailID: 20180724165046eucas1p2f2b94b7a4642c977d76df0462b6750ea X-Msg-Generator: CA CMS-TYPE: 201P X-CMS-RootMailID: 20180716134504epcas5p2138ba82f2293c27750d4794f0152aad8 References: <20180716134458.8654-1-colin.king@canonical.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, July 16, 2018 02:44:58 PM Colin King wrote: > From: Colin Ian King > > The value of tmp being used in the switch statement has the range of > just 0..3 hence the case 4 statement can never be reached and is > deadcode and can be removed. > > Detected by CoverityScan, CID#744384 ("Logically dead code") > > Signed-off-by: Colin Ian King Patch queued for 4.19, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics