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author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 08:21:07 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-16 08:32:06 +0200 |
commit | 92cc1b1f9e3363046583962859a3a8c054f4b94d (patch) | |
tree | 087a6fcf3e62943e8828386f25bedcccbc8b5dec /drivers/base | |
parent | dbea5e0e353773544094d7e73aa41ef369d081a5 (diff) | |
download | barebox-92cc1b1f9e3363046583962859a3a8c054f4b94d.tar.gz barebox-92cc1b1f9e3363046583962859a3a8c054f4b94d.tar.xz |
resource: Let dev_get_resource_by_name return an error pointer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/driver.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 2cf3ee6892..00b3046be2 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -32,6 +32,7 @@ #include <fs.h> #include <of.h> #include <linux/list.h> +#include <linux/err.h> #include <complete.h> #include <pinctrl.h> @@ -286,7 +287,7 @@ struct resource *dev_get_resource_by_name(struct device_d *dev, return res; } - return NULL; + return ERR_PTR(-ENOENT); } void *dev_get_mem_region_by_name(struct device_d *dev, const char *name) @@ -294,7 +295,7 @@ void *dev_get_mem_region_by_name(struct device_d *dev, const char *name) struct resource *res; res = dev_get_resource_by_name(dev, IORESOURCE_MEM, name); - if (!res) + if (IS_ERR(res)) return NULL; return (void __force *)res->start; @@ -306,7 +307,7 @@ void __iomem *dev_request_mem_region_by_name(struct device_d *dev, const char *n struct resource *res; res = dev_get_resource_by_name(dev, IORESOURCE_MEM, name); - if (!res) + if (IS_ERR(res)) return NULL; res = request_iomem_region(dev_name(dev), res->start, res->end); |