Commit 2f2472ba authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Mark Brown

regulator: qcom_rpm-regulator: add NULL check on of_match_device() return value

Check return value from call to of_match_device()
in order to prevent a NULL pointer dereference.

In case of NULL print error message and return.
Signed-off-by: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8d67f64f
...@@ -959,6 +959,11 @@ static int rpm_reg_probe(struct platform_device *pdev) ...@@ -959,6 +959,11 @@ static int rpm_reg_probe(struct platform_device *pdev)
} }
match = of_match_device(rpm_of_match, &pdev->dev); match = of_match_device(rpm_of_match, &pdev->dev);
if (!match) {
dev_err(&pdev->dev, "failed to match device\n");
return -ENODEV;
}
for (reg = match->data; reg->name; reg++) { for (reg = match->data; reg->name; reg++) {
vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL); vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
if (!vreg) if (!vreg)
......
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