Messages in this thread Patch in this message | | | Date | Fri, 30 Mar 2012 12:58:02 -0700 | From | Greg KH <> | Subject | [ 040/108] p54spi: Release GPIO lines and IRQ on error in p54spi_probe |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Max Filippov <jcmvbkbc@gmail.com>
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>
--- drivers/net/wireless/p54/p54spi.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)
--- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -623,19 +623,19 @@ static int __devinit p54spi_probe(struct 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 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 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; }
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