From: Dan Carpenter <dan.carpenter@linaro.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Manivannan Sadhasivam <mani@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH] soc: qcom: Fix a IS_ERR() vs NULL bug in probe
Date: Tue, 6 Jun 2023 11:21:22 +0300 [thread overview]
Message-ID: <ZH7sgpLAN23bCz9v@moroto> (raw)
The devm_ioremap() function returns NULL on error, it never returns
error pointers.
Fixes: a77b2a0b1280 ("soc: qcom: Introduce RPM master stats driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
drivers/soc/qcom/rpm_master_stats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/qcom/rpm_master_stats.c b/drivers/soc/qcom/rpm_master_stats.c
index 6dd98b9f7129..9ca13bcf67d3 100644
--- a/drivers/soc/qcom/rpm_master_stats.c
+++ b/drivers/soc/qcom/rpm_master_stats.c
@@ -105,7 +105,7 @@ static int master_stats_probe(struct platform_device *pdev)
}
data[i].base = devm_ioremap(dev, res.start, resource_size(&res));
- if (IS_ERR(data[i].base)) {
+ if (!data[i].base) {
debugfs_remove_recursive(root);
return dev_err_probe(dev, -EINVAL,
"Could not map the MSG RAM slice idx %d!\n", i);
--
2.30.2
next reply other threads:[~2023-06-06 8:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-06 8:21 Dan Carpenter [this message]
2023-06-06 9:32 ` [PATCH] soc: qcom: Fix a IS_ERR() vs NULL bug in probe Konrad Dybcio
2023-06-13 22:30 ` Bjorn Andersson
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