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Wed, 18 Mar 2026 04:54:33 -0700 (PDT) X-Received: by 2002:a05:622a:24b:b0:501:4b9d:ad19 with SMTP id d75a77b69052e-509980cc3b8mr84815431cf.22.1773834872931; Wed, 18 Mar 2026 04:54:32 -0700 (PDT) Received: from [192.168.1.29] ([178.197.219.94]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b51899617sm7665953f8f.31.2026.03.18.04.54.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Mar 2026 04:54:32 -0700 (PDT) Message-ID: Date: Wed, 18 Mar 2026 12:54:30 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND 1/2] powerpc/ps3: Drop redundant result assignment To: Segher Boessenkool Cc: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Geoff Levand , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev References: <20260317130823.240279-3-krzysztof.kozlowski@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@oss.qualcomm.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE4MDEwMCBTYWx0ZWRfX5SSagIML8/3T v9U4y0HOjApqMAm1xr6OcHjMZR3mwEioXdVJsPG7o5mtpPS+BIkdk+1tddMAfza/WA8EQqs9ss5 7yWel+WuaI6LGsWOSxf04zgGeyo1WJW7T8ThnAWfOOr/8HgCiWZGtJf1fw1yNzFs7zraev/Sx1l 8VmhTUZqCMxU2513ElKagWWEATTtqyoKo9qTzrRf7MDPaTbxn3rxxQxP73EU7m/GH3p6AyExYjX 55tvVO3r5ABIfABY9mr/T0pWK+GMLHqZmAsa/TTRcVh8/6YsL7PIFjQC870r8mBR9CzYgsHUkI7 yf2cNLlOH+A6DBpeq+C0oobq856CaSKXdkmjaPR9oNtdNvjuyfyAn8P9q0I56DFaJ90n4K1g6q3 94empP+OB1Kgp64KPHV5Vev4RWAXiXhJXHQ6Katwt1RE1goR7D2YMubTau5PH6jq202HVx29A14 q2jG5tnQEb8Mtn2HdVA== X-Authority-Analysis: v=2.4 cv=Cd4FJbrl c=1 sm=1 tr=0 ts=69ba927a cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=gOEeR9iKwsj33Yj5oN/cWg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=Pwrwc8hzLyJITHjMlkMA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-ORIG-GUID: O56q8R63sgEfbXTwzmO-g-qRiTJbvGWe X-Proofpoint-GUID: O56q8R63sgEfbXTwzmO-g-qRiTJbvGWe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-18_01,2026-03-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 adultscore=0 bulkscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603180100 On 18/03/2026 12:51, Segher Boessenkool wrote: > On Tue, Mar 17, 2026 at 02:08:24PM +0100, Krzysztof Kozlowski wrote: >> Return value of ps3_start_probe_thread() is not used, so code can be >> simplified to fix W=1 clang warnings: >> >> arch/powerpc/platforms/ps3/device-init.c:953:6: error: variable 'result' set but not used [-Werror,-Wunused-but-set-variable] > > And this is exactly why -Werror is harmful. A boring harmless warning > turned into a build break :-( -Werror does not matter here. We do not want warnings either, assuming of course they are correct. So if this warning is correct, then patch should be applied and WERROR is irrelevant. Best regards, Krzysztof