From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A52528E6 for ; Fri, 22 Apr 2022 11:04:22 +0000 (UTC) Received: by mail-wr1-f52.google.com with SMTP id k22so10542296wrd.2 for ; Fri, 22 Apr 2022 04:04:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=aX+af2NbLYVavvKgA4KwWpvzLYIlHAkPkYV9LErzorg=; b=RdHAhqBriPScMcrozEZlK7PFf9XAzS66rQDFLnBoBGAjWkJ7ciJZqrY/zzYe3YX17f 7AokDza8jYTO67wDtahYdd39QdhtAGMTR1Z+fChGeL5RQ5s3mu+dE5QXdr4g5D0Nn2Lv r1eWsmVYpCq0eTUVG3+pS6mSWehXyAqz21wkoV6oiAyrwameuNpy3EwKEUu3AoZUmOWP vCgIHjGKOo6FkYp2AJFq5XSstiG/kCcQZsSJfps3gVrh/BGFhQDjSsMNlwMU2dIfn2pi ygilEu7iPO8Ej7VI6eX/jVxFCbTziPFMbs8as6KzKxodZMsgb5BvyaK4EmIn7wteA8Ry ZC8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=aX+af2NbLYVavvKgA4KwWpvzLYIlHAkPkYV9LErzorg=; b=UJM8QLecbmyQgDelzhoaHrUi3GBSKxf62xIT8tmyFYgUjfrbndw1mt2FmHNZtRKREW L46OHZoT6LERjGjxdof6F8HZEjRxGRZFxyMqm113WDkpmE1MQDGg8MO+h6veYormtGY+ 6tuKYwLJvQN7t6kmhRZn/uFOsuRoghyXBJEu30Ho339XopTvZVg9ORnJW/j5spF3C+9I UzmThT3fwdUNJjnozjH5TosukJp45pFjgA+WXIYUMkLEuzmv0LkmpEg+ZbqiogpDDiUt Oles+4vmRr0iwtO4TfgHdcSTjzKP23pMRT6O8x3Mqfg62fYsOiz510UdN1UvrqaQkQs9 Dhfw== X-Gm-Message-State: AOAM530DCVr3k3fr9t4WPy/isd1RKnA69w1BteJYdqjMGMXMqf1KYv44 0m8IjJVJFjgv8RBUnraeDxE= X-Google-Smtp-Source: ABdhPJyaWqhcVGDLHxDxRf5Wk/P202UvjQHRnNHU8QKJ6oMsRDnKf4mr9mgXnEEACMXB/grE982s0A== X-Received: by 2002:adf:fb4d:0:b0:207:a376:7585 with SMTP id c13-20020adffb4d000000b00207a3767585mr3220431wrs.489.1650625460208; Fri, 22 Apr 2022 04:04:20 -0700 (PDT) Received: from localhost (cpc154979-craw9-2-0-cust193.16-3.cable.virginm.net. [80.193.200.194]) by smtp.gmail.com with ESMTPSA id r5-20020adfa145000000b0020acc9de8c4sm705518wrr.38.2022.04.22.04.04.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 04:04:19 -0700 (PDT) From: Colin Ian King To: Thomas Gleixner , Tom Rix Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] kernel/irq/matrix.c: remove redundant assignment to variable 'end' Date: Fri, 22 Apr 2022 12:04:18 +0100 Message-Id: <20220422110418.1264778-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.35.1 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Variable end is being initialized with a value that is never read, it is being re-assigned later with the same value. The initialization is redundant and can be removed. Cleans up clang scan build warning: kernel/irq/matrix.c:289:25: warning: Value stored to 'end' during its initialization is never read [deadcode.DeadStores] Signed-off-by: Colin Ian King --- kernel/irq/matrix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c index bbfb26489aa1..1698e77645ac 100644 --- a/kernel/irq/matrix.c +++ b/kernel/irq/matrix.c @@ -286,7 +286,7 @@ void irq_matrix_remove_managed(struct irq_matrix *m, const struct cpumask *msk) int irq_matrix_alloc_managed(struct irq_matrix *m, const struct cpumask *msk, unsigned int *mapped_cpu) { - unsigned int bit, cpu, end = m->alloc_end; + unsigned int bit, cpu, end; struct cpumap *cm; if (cpumask_empty(msk)) -- 2.35.1