mfd: 88pm860x: Fix I2C device resource leak on regmap init fail
During probe the driver allocates dummy I2C device for companion chip
and then allocates a regmap for it. If regmap_init_i2c() fails then the
I2C driver (allocated with i2c_new_dummy()) is not freed and this
resource leaks.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index c9b1f64..2461014 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -1185,6 +1185,7 @@
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);