diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-03-16 10:51:00 +0800 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-04-05 16:33:13 +0100 |
| commit | 76ff614a79152cee07a2c48080c3dc91c56f0f1d (patch) | |
| tree | 2e997b0b2cb48fcf1051f2476945443366e817cf /drivers/irqchip | |
| parent | fa4dcc880390fbedf4118e9f88a6b13363e0a7a1 (diff) | |
| download | linux-76ff614a79152cee07a2c48080c3dc91c56f0f1d.tar.gz | |
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
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-qcom-mpm.c | 2 |
1 files changed, 1 insertions, 1 deletions
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++) { |