p54spi: Release GPIO lines and IRQ on error in p54spi_probe

commit 62ebeed8d00aef75eac4fd6c161cae75a41965ca upstream.

This makes it possible to reload driver if insmod has failed due to
missing firmware.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index b33ceb1..d895ff9 100644 (file)
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -623,19 +623,19 @@ static int __devinit p54spi_probe(struct spi_device *spi)
        ret = spi_setup(spi);
        if (ret < 0) {
                dev_err(&priv->spi->dev, "spi_setup failed");
-               goto err_free_common;
+               goto err_free;
        }
 
        ret = gpio_request(p54spi_gpio_power, "p54spi power");
        if (ret < 0) {
                dev_err(&priv->spi->dev, "power GPIO request failed: %d", ret);
-               goto err_free_common;
+               goto err_free;
        }
 
        ret = gpio_request(p54spi_gpio_irq, "p54spi irq");
        if (ret < 0) {
                dev_err(&priv->spi->dev, "irq GPIO request failed: %d", ret);
-               goto err_free_common;
+               goto err_free_gpio_power;
        }
 
        gpio_direction_output(p54spi_gpio_power, 0);
@@ -646,7 +646,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
                          priv->spi);
        if (ret < 0) {
                dev_err(&priv->spi->dev, "request_irq() failed");
-               goto err_free_common;
+               goto err_free_gpio_irq;
        }
 
        irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING);
@@ -678,6 +678,12 @@ static int __devinit p54spi_probe(struct spi_device *spi)
        return 0;
 
 err_free_common:
+       free_irq(gpio_to_irq(p54spi_gpio_irq), spi);
+err_free_gpio_irq:
+       gpio_free(p54spi_gpio_irq);
+err_free_gpio_power:
+       gpio_free(p54spi_gpio_power);
+err_free:
        p54_free_common(priv->hw);
        return ret;
 }