[PATCH v12 2/3] phy: qcom-snps: Add support for overriding phy tuning parameters

Bjorn Andersson andersson at kernel.org
Mon Sep 5 19:45:52 PDT 2022


On Sat, Sep 03, 2022 at 04:00:47PM +0530, Krishna Kurapati wrote:
[..]
> +static void qcom_snps_hsphy_read_override_param_seq(struct device *dev)
> +{
> +	struct device_node *node = dev->of_node;
> +	s32 val;
> +	int ret, i;
> +	struct qcom_snps_hsphy *hsphy;
> +	const struct override_param_map *cfg = of_device_get_match_data(dev);

Given that you don't have any .data specified for the other compatibles
(which is fine), cfg would be NULL here and below loop would attempt to
access NULL[0].prop_name and crash.

Please add a check for !cfg and just return here.

With that I think the series looks good.

Regards,
Bjorn



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