[PATCH 13/16] asus-wmi: return proper value in store_cpufv()

From: Corentin Chary
Date: Fri Jul 01 2011 - 05:36:34 EST


Cc: stable@xxxxxxxxxx
Signed-off-by: Corentin Chary <corentin.chary@xxxxxxxxx>
---
drivers/platform/x86/asus-wmi.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index be9e89a..b181f5d 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -1307,14 +1307,18 @@ ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- int value;
+ int value, rv;

if (!count || sscanf(buf, "%i", &value) != 1)
return -EINVAL;
if (value < 0 || value > 2)
return -EINVAL;

- return asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
+ rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
+ if (rv < 0)
+ return rv;
+
+ return count;
}

static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
--
1.7.3.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/