[PATCH] soc: qcom: Fix a IS_ERR() vs NULL bug in probe

From: Dan Carpenter
Date: Tue Jun 06 2023 - 04:21:35 EST


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@xxxxxxxxxx>
---
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