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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 10:38:08 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-16 08:32:10 +0200 |
| commit | ed6e965824303255cacc1c1a195d3684caa26bce (patch) | |
| tree | 26e2b1b78498675ceae4dd2e990836c26ec1d5ec /drivers/gpio/gpio-omap.c | |
| parent | 5bdc82c54a3306f2ae151a00f2df54f9240395b8 (diff) | |
| download | barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.gz barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.xz | |
resource: Let dev_request_mem_region return an error pointer
For all users fix or add the error check.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index e66a614f21..ff31b15dcd 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -36,6 +36,7 @@ #include <errno.h> #include <gpio.h> #include <init.h> +#include <linux/err.h> #define OMAP_GPIO_OE 0x0034 #define OMAP_GPIO_DATAIN 0x0038 @@ -147,6 +148,9 @@ static int omap_gpio_probe(struct device_d *dev) omapgpio = xzalloc(sizeof(*omapgpio)); omapgpio->base = dev_request_mem_region(dev, 0); + if (IS_ERR(omapgpio->base)) + return PTR_ERR(omapgpio->base); + if (drvdata) omapgpio->base += drvdata->regofs; |