From 76ff614a79152cee07a2c48080c3dc91c56f0f1d Mon Sep 17 00:00:00 2001
From: Yang Yingliang <yangyingliang@huawei.com>
Date: Wed, 16 Mar 2022 10:51:00 +0800
Subject: irqchip/irq-qcom-mpm: fix return value check in qcom_mpm_init()
If devm_platform_ioremap_resource() fails, it never returns
NULL, replace NULL check with IS_ERR().
Fixes: a6199bb514d8 ("irqchip: Add Qualcomm MPM controller driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220316025100.1758413-1-yangyingliang@huawei.com
---
drivers/irqchip/irq-qcom-mpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'drivers/irqchip/irq-qcom-mpm.c')
diff --git a/drivers/irqchip/irq-qcom-mpm.c b/drivers/irqchip/irq-qcom-mpm.c
index eea5a753618c..d30614661eea 100644
--- a/drivers/irqchip/irq-qcom-mpm.c
+++ b/drivers/irqchip/irq-qcom-mpm.c
@@ -375,7 +375,7 @@ static int qcom_mpm_init(struct device_node *np, struct device_node *parent)
raw_spin_lock_init(&priv->lock);
priv->base = devm_platform_ioremap_resource(pdev, 0);
- if (!priv->base)
+ if (IS_ERR(priv->base))
return PTR_ERR(priv->base);
for (i = 0; i < priv->reg_stride; i++) {
--
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