Commit 7b55033f authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Lee Jones

mfd: wm831x-spi: 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: 1408830
Signed-off-by: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 800e5455
...@@ -34,6 +34,10 @@ static int wm831x_spi_probe(struct spi_device *spi) ...@@ -34,6 +34,10 @@ static int wm831x_spi_probe(struct spi_device *spi)
if (spi->dev.of_node) { if (spi->dev.of_node) {
of_id = of_match_device(wm831x_of_match, &spi->dev); of_id = of_match_device(wm831x_of_match, &spi->dev);
if (!of_id) {
dev_err(&spi->dev, "Failed to match device\n");
return -ENODEV;
}
type = (enum wm831x_parent)of_id->data; type = (enum wm831x_parent)of_id->data;
} else { } else {
type = (enum wm831x_parent)id->driver_data; type = (enum wm831x_parent)id->driver_data;
......
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