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Subject[PATCH] rio: warn_unused_result warnings fix
Date
warning: ignoring return value of 'device_add', declared with attribute warn_unused_result
warning: ignoring return value of 'sysfs_create_bin_file', declared with attribute warn_unused_result

Signed-off-by: Li Yang <leoli@freescale.com>
---
drivers/rapidio/rio-scan.c | 5 ++++-
drivers/rapidio/rio-sysfs.c | 6 ++++--
2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 74d0bfa..9309e24 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -265,7 +265,10 @@ static void rio_route_set_ops(struct rio_dev *rdev)
*/
static void __devinit rio_add_device(struct rio_dev *rdev)
{
- device_add(&rdev->dev);
+ int err;
+
+ err = device_add(&rdev->dev);
+ WARN_ON(err);

spin_lock(&rio_global_list_lock);
list_add_tail(&rdev->global_list, &rio_devices);
diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index 97a147f..ba742e8 100644
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -214,9 +214,11 @@ static struct bin_attribute rio_config_attr = {
*/
int rio_create_sysfs_dev_files(struct rio_dev *rdev)
{
- sysfs_create_bin_file(&rdev->dev.kobj, &rio_config_attr);
+ int err = 0;

- return 0;
+ err = sysfs_create_bin_file(&rdev->dev.kobj, &rio_config_attr);
+
+ return err;
}

/**
--
1.5.4


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