linux-kernel - [PATCH 2/7] irqchip/loongson-htpic: Remove redundant kfree operation

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Message-Id: <1592902276-3969-3-git-send-email-yangtiezhu@loongson.cn>
Date:   Tue, 23 Jun 2020 16:51:11 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>, Rob Herring <robh+dt@...nel.org>
Cc:     Guo Ren <guoren@...nel.org>, Baruch Siach <baruch@...s.co.il>,
        Huacai Chen <chenhc@...ote.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Tony Lindgren <tony@...mide.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-csky@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mips@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: [PATCH 2/7] irqchip/loongson-htpic: Remove redundant kfree operation

In the function htpic_of_init(), when kzalloc htpic fails, it should
return -ENOMEM directly, no need to execute "goto" to kfree.

Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 drivers/irqchip/irq-loongson-htpic.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-htpic.c b/drivers/irqchip/irq-loongson-htpic.c
index dd018c2..63f7280 100644
--- a/drivers/irqchip/irq-loongson-htpic.c
+++ b/drivers/irqchip/irq-loongson-htpic.c
@@ -93,10 +93,8 @@ int __init htpic_of_init(struct device_node *node, struct device_node *parent)
 	}
 
 	htpic = kzalloc(sizeof(*htpic), GFP_KERNEL);
-	if (!htpic) {
-		err = -ENOMEM;
-		goto out_free;
-	}
+	if (!htpic)
+		return -ENOMEM;
 
 	htpic->base = of_iomap(node, 0);
 	if (!htpic->base) {
-- 
2.1.0