Commit 800e5455 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Lee Jones

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: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 87d28444
...@@ -37,6 +37,10 @@ static int wm831x_i2c_probe(struct i2c_client *i2c, ...@@ -37,6 +37,10 @@ static int wm831x_i2c_probe(struct i2c_client *i2c,
if (i2c->dev.of_node) { if (i2c->dev.of_node) {
of_id = of_match_device(wm831x_of_match, &i2c->dev); of_id = of_match_device(wm831x_of_match, &i2c->dev);
if (!of_id) {
dev_err(&i2c->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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