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Message-ID: <170781668798.398.12651232833115648939.tip-bot2@tip-bot2>
Date: Tue, 13 Feb 2024 09:31:27 -0000
From: "tip-bot2 for Dan Carpenter" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Dan Carpenter <dan.carpenter@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Konrad Dybcio <konrad.dybcio@...aro.org>, x86@...nel.org,
linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/urgent] irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in
qcom_mpm_init()
The following commit has been merged into the irq/urgent branch of tip:
Commit-ID: 8ad032cc8c499af6f3289c796f411e8874b50fdb
Gitweb: https://git.kernel.org/tip/8ad032cc8c499af6f3289c796f411e8874b50fdb
Author: Dan Carpenter <dan.carpenter@...aro.org>
AuthorDate: Thu, 01 Feb 2024 15:17:50 +03:00
Committer: Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 13 Feb 2024 10:26:15 +01:00
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@...aro.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Link: https://lore.kernel.org/r/22e1f4de-edce-4791-bd2d-2b2e98529492@moroto.mountain
---
drivers/irqchip/irq-qcom-mpm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-qcom-mpm.c b/drivers/irqchip/irq-qcom-mpm.c
index cda5838..7942d8e 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);
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