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path: root/drivers/gpio/gpio-omap.c
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Diffstat (limited to 'drivers/gpio/gpio-omap.c')
-rw-r--r--drivers/gpio/gpio-omap.c4
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;