diff options
| author | Dan Carpenter <dan.carpenter@linaro.org> | 2024-02-01 15:17:50 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-02-13 10:26:15 +0100 |
| commit | 8ad032cc8c499af6f3289c796f411e8874b50fdb (patch) | |
| tree | d61df228bb663a055de5ef41827b25924acabff2 /drivers/irqchip | |
| parent | f1c2765c6afcd1f71f76ed8c9bf94acedab4cecb (diff) | |
| download | linux-8ad032cc8c499af6f3289c796f411e8874b50fdb.tar.gz | |
irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in qcom_mpm_init()
devm_ioremap() doesn't return error pointers, it returns NULL on error.
Update the check accordingly.
Fixes: 221b110d87c2 ("irqchip/qcom-mpm: Support passing a slice of SRAM as reg space")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/22e1f4de-edce-4791-bd2d-2b2e98529492@moroto.mountain
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-qcom-mpm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-qcom-mpm.c b/drivers/irqchip/irq-qcom-mpm.c index cda5838d2232d..7942d8eb3d00e 100644 --- a/drivers/irqchip/irq-qcom-mpm.c +++ b/drivers/irqchip/irq-qcom-mpm.c @@ -389,8 +389,8 @@ static int qcom_mpm_init(struct device_node *np, struct device_node *parent) /* Don't use devm_ioremap_resource, as we're accessing a shared region. */ priv->base = devm_ioremap(dev, res.start, resource_size(&res)); of_node_put(msgram_np); - if (IS_ERR(priv->base)) - return PTR_ERR(priv->base); + if (!priv->base) + return -ENOMEM; } else { /* Otherwise, fall back to simple MMIO. */ priv->base = devm_platform_ioremap_resource(pdev, 0); |