From: Alessandro Rubini Date: Sun, 27 May 2012 20:55:41 +0000 (+0200) Subject: gpio-sta2x11: don't use pdata if null X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=2e2070c85aa19f6c5bb3642a1429abf42f101e8d;p=~shefty%2Frdma-dev.git gpio-sta2x11: don't use pdata if null If there is no platform data available, the driver shouldn't use the pointer or it will oops. Since things will mostly work nonetheless, (the BIOS may have set up the pins properly), I'd better not fail the probe even in this case. Signed-off-by: Alessandro Rubini Acked-by: Giancarlo Asnaghi Signed-off-by: Linus Walleij --- diff --git a/drivers/gpio/gpio-sta2x11.c b/drivers/gpio/gpio-sta2x11.c index 38416be8ba1..6064fb376e1 100644 --- a/drivers/gpio/gpio-sta2x11.c +++ b/drivers/gpio/gpio-sta2x11.c @@ -383,8 +383,9 @@ static int __devinit gsta_probe(struct platform_device *dev) } spin_lock_init(&chip->lock); gsta_gpio_setup(chip); - for (i = 0; i < GSTA_NR_GPIO; i++) - gsta_set_config(chip, i, gpio_pdata->pinconfig[i]); + if (gpio_pdata) + for (i = 0; i < GSTA_NR_GPIO; i++) + gsta_set_config(chip, i, gpio_pdata->pinconfig[i]); /* 384 was used in previous code: be compatible for other drivers */ err = irq_alloc_descs(-1, 384, GSTA_NR_GPIO, NUMA_NO_NODE);