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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: llvm@lists.linux.dev 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-Authority-Analysis: v=2.4 cv=bIcb4f+Z 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=yOCtJkima9RkubShWh1s:22 a=Pwrwc8hzLyJITHjMlkMA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-ORIG-GUID: JZUfnVz7eCVvInTLvR93qAOfHCi_zylf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE4MDEwMCBTYWx0ZWRfXzpducrTyZmsy Y5bGmcUNytXcpyEdzwBptleo0U4X8RHNUopFLuKXOnPpZAcRj+13TcHkcoJv0KjQA7hK/K6Ywvk gM4Z8LJ9KNaGiun4iB5NAhVSkb97xvMKovCpjAcLNQA2QEVv2IwKlqfWkXByYMwXANEQCsXHtYy lFXXN/NG9lTu81rbCeZrt0FZ1LujoSYRZd0hdKej9TdQD2pla6fxqMCvtIeiWeuTdDAdOdH50Zb dh1oJErMg1SD0Y3OWRmPrgMJtEHPXqXzNI5y1UGrd4jnuKIO9bnBX3pQQiGCSiD0W7hU+0yNeKi 7qE1Du/fbS9XNSUpwWT4qXUVf8eKGpoItBS0+AT0nI42RFx6K6YyRVfbiAtfrFnTnrKQI5ol/tL m+eKm1aMycZ3K7NAN6tpYeorFKovy/OUZ0VwOq00KoXPxv+VNoKunTjVQgfb+ZeyzNtxO7K3TPF OsdoCw8fzcrBMTT9wug== X-Proofpoint-GUID: JZUfnVz7eCVvInTLvR93qAOfHCi_zylf 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 spamscore=0 impostorscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 phishscore=0 suspectscore=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