linux-kernel - [PATCH v2] genirq: Remove duplicate assignments

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Message-Id: <20211104064330.2995-1-luo.penghao@zte.com.cn>
Date:   Thu,  4 Nov 2021 06:43:30 +0000
From:   cgel.zte@...il.com
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, luo penghao <luo.penghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH v2] genirq: Remove duplicate assignments

From: luo penghao <luo.penghao@....com.cn>

The variable has performed the same assignment twice.

The clang_analyzer complains as follows:

kernel/irq/matrix.c:289:25 warning:

Value stored to 'end' during its initialization is never read

change in v2:

Repair the sending email box

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: luo penghao <luo.penghao@....com.cn>
---
 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 578596e..0469f30 100644
--- a/kernel/irq/matrix.c
+++ b/kernel/irq/matrix.c
@@ -285,7 +285,7 @@ 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))
-- 
2.15.2