mfd: wm831x-i2c: Add NULL check before pointer dereference
Add NULL check before dereferencing pointer of_id in order to avoid a potential NULL pointer dereference. Addresses-Coverity-ID: 1408829 Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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@ -37,6 +37,10 @@ static int wm831x_i2c_probe(struct i2c_client *i2c,
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if (i2c->dev.of_node) {
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of_id = of_match_device(wm831x_of_match, &i2c->dev);
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if (!of_id) {
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dev_err(&i2c->dev, "Failed to match device\n");
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return -ENODEV;
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}
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type = (enum wm831x_parent)of_id->data;
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} else {
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type = (enum wm831x_parent)id->driver_data;
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