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gpio: max732x: Fix I2C dummy device resource leak on probe failure 

In max732x_probe() driver allocates dummy I2C device (if number of ports
is greater than 8) however it is not unregistered if probe fails later.
Fix the leak by unregistering dummy I2C device if it was allocated.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Krzysztof Kozlowski 2014-03-06 10:31:15 +01:00 committed by Linus Walleij
parent 49e1f91cd5
commit c75793d8ab
1 changed files with 2 additions and 0 deletions
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2
drivers/gpio/gpio-max732x.c
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@ -647,6 +647,8 @@ static int max732x_probe(struct i2c_client *client,
return 0;
out_failed:
if (chip->client_dummy)
i2c_unregister_device(chip->client_dummy);
max732x_irq_teardown(chip);
return ret;
}