Commit 76ff614a authored by Yang Yingliang's avatar Yang Yingliang Committed by Marc Zyngier
Browse files

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: a6199bb5 ("irqchip: Add Qualcomm MPM controller driver")
Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220316025100.1758413-1-yangyingliang@huawei.com
parent fa4dcc88

drivers/irqchip/irq-qcom-mpm.c

+1 −1
Original line number Diff line number Diff line
@@ -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++) {