[Patch v4 05/23] ACPI: Let the parser return false for disabled resources

Jiang Liu
2015-02-05T05:44:31Z

From: Thomas Gleixner <tglx@linutronix.de>

If the parser disables a resource during parsing, let it return false,
so the calling code does not need to implement further checks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
---
drivers/acpi/resource.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 16d291c60277..cdb1a3c4a0b9 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -219,10 +219,10 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares,
res->flags = IORESOURCE_BUS;
break;
default:
- res->flags = 0;
+ return false;
}

- return true;
+ return !(res->flags & IORESOURCE_DISABLED);
}
EXPORT_SYMBOL_GPL(acpi_dev_resource_address_space);

@@ -268,10 +268,10 @@ bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
res->flags = IORESOURCE_BUS;
break;
default:
- res->flags = 0;
+ return false;
}

- return true;
+ return !(res->flags & IORESOURCE_DISABLED);
}
EXPORT_SYMBOL_GPL(acpi_dev_resource_ext_address_space);

--
1.7.10.4