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path: root/drivers/gpio/gpio-generic.c
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Diffstat (limited to 'drivers/gpio/gpio-generic.c')
-rw-r--r--drivers/gpio/gpio-generic.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index 5c46282045..eeb4b4277c 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -13,6 +13,7 @@
#include <init.h>
#include <malloc.h>
+#include <linux/err.h>
#include <linux/log2.h>
#include <linux/basic_mmio_gpio.h>
@@ -311,7 +312,7 @@ static void __iomem *bgpio_map(struct device_d *dev, const char *name,
*err = 0;
r = dev_get_resource_by_name(dev, IORESOURCE_MEM, name);
- if (!r)
+ if (IS_ERR(r))
return NULL;
if (resource_size(r) != sane_sz) {
@@ -343,8 +344,8 @@ static int bgpio_dev_probe(struct device_d *dev)
struct bgpio_pdata *pdata = dev->platform_data;
r = dev_get_resource_by_name(dev, IORESOURCE_MEM, "dat");
- if (!r)
- return -EINVAL;
+ if (IS_ERR(r))
+ return PTR_ERR(r);
sz = resource_size(r);