Merge tag 'cpu-hotplug-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / drivers / mfd / 88pm860x-core.c

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index c9b1f6422941eeaf628a0f7a65fd4e65053a8a14..bcfc9e85b4a0d0a702bef461f81b9fb568e528ff 100644 (file)
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -1179,12 +1179,18 @@ static int pm860x_probe(struct i2c_client *client,
                chip->companion_addr = pdata->companion_addr;
                chip->companion = i2c_new_dummy(chip->client->adapter,
                                                chip->companion_addr);
+               if (!chip->companion) {
+                       dev_err(&client->dev,
+                               "Failed to allocate I2C companion device\n");
+                       return -ENODEV;
+               }
                chip->regmap_companion = regmap_init_i2c(chip->companion,
                                                        &pm860x_regmap_config);
                if (IS_ERR(chip->regmap_companion)) {
                        ret = PTR_ERR(chip->regmap_companion);
                        dev_err(&chip->companion->dev,
                                "Failed to allocate register map: %d\n", ret);
+                       i2c_unregister_device(chip->companion);
                        return ret;
                }
                i2c_set_clientdata(chip->companion, chip);