linux-kernel - [PATCH 3/5]acpi:glue.c Fix warning: variable 'ret' set but not used

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Date:	Sat, 26 Jun 2010 23:47:24 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	dhowells@...hat.com, sds@...ho.nsa.gov, lenb@...nel.org,
	linux-bluetooth@...r.kernel.org,
	"Justin P. Mattock" <justinmattock@...il.com>
Subject: [PATCH 3/5]acpi:glue.c Fix warning: variable 'ret' set but not used

Im getting a warning message when building with gcc 4.6.0
  CC      drivers/acpi/glue.o
drivers/acpi/glue.c: In function 'acpi_bind_one':
drivers/acpi/glue.c:163:7: warning: variable 'ret' set but not used

The below fixes it for me. Please have a look when you have
time and let me know(bit confused with the backwardness of
&acpi_dev->dev.kobj, &dev->kobji with these two ret's)

 Signed-off-by: Justin P. Mattock <justinmattock@...il.com>

---
 drivers/acpi/glue.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 4af6301..f146165 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -166,6 +166,9 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
 				"firmware_node");
 		ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
 				"physical_node");
+		if (ret) {
+			printk(KERN_WARNING "dev%d: Failed to get exception\n", ret);
+		}
 		if (acpi_dev->wakeup.flags.valid) {
 			device_set_wakeup_capable(dev, true);
 			device_set_wakeup_enable(dev,
-- 
1.7.1.rc1.21.gf3bd6

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