From: Corentin Chary <corentin.chary@gmail.com>
Date: Fri, 1 Jul 2011 09:34:38 +0000 (+0200)
Subject: asus-wmi: return proper value in store_cpufv()
X-Git-Tag: next-20110726~12^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7d753636e6eb0245fd9b65d8666fc79373fe1a84;p=karo-tx-linux.git

asus-wmi: return proper value in store_cpufv()

Cc: stable@kernel.org
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 94509ba11b3d..e4ea7dae9bec 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);