diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 08:38:08 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-16 08:32:09 +0200 |
| commit | dde56d42ad1763dd81a3de65b74d7387d12f6fa9 (patch) | |
| tree | 888d48be1b4beaaa73195f1879a9369d84c5af88 /drivers/gpio | |
| parent | 82ed2054665a2c6caa7b7a69143583e051289812 (diff) | |
| download | barebox-dde56d42ad1763dd81a3de65b74d7387d12f6fa9.tar.gz barebox-dde56d42ad1763dd81a3de65b74d7387d12f6fa9.tar.xz | |
resource: Let request_iomem_region return an error pointer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-generic.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index eeb4b4277c..1524a3304b 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -15,6 +15,7 @@ #include <malloc.h> #include <linux/err.h> #include <linux/log2.h> +#include <linux/err.h> #include <linux/basic_mmio_gpio.h> static void bgpio_write8(void __iomem *reg, unsigned int data) @@ -321,8 +322,8 @@ static void __iomem *bgpio_map(struct device_d *dev, const char *name, } ret = request_iomem_region(dev_name(dev), r->start, r->end); - if (!ret) { - *err = -ENOMEM; + if (IS_ERR(ret)) { + *err = PTR_ERR(ret); return NULL; } |