commit 7c675486b97afea710f4c11ca71cb228c1e671be
author Ayman Bagabas <ayman.bagabas@gmail.com> Sun Oct 20 13:00:07 2019 -0400
committer Andy Shevchenko <andriy.shevchenko@linux.intel.com> Mon Oct 21 12:17:30 2019 +0300
tree e0e05ccc6bae63bee7085bcd2db7fb2ab59d8eb1
parent d3f5b7366a4af088bc73be67835d2a394e2ce2e0

platform/x86: huawei-wmi: Stricter battery thresholds set

Check if battery thresholds are within 0 and 100.

Fixes: 355a070b09ab ("platform/x86: huawei-wmi: Add battery charging thresholds")
Signed-off-by: Ayman Bagabas <ayman.bagabas@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/huawei-wmi.c

diff --git a/drivers/platform/x86/huawei-wmi.c b/drivers/platform/x86/huawei-wmi.c
index 5837d1b..26041d4 100644
--- a/drivers/platform/x86/huawei-wmi.c
+++ b/drivers/platform/x86/huawei-wmi.c
@@ -345,7 +345,7 @@
 	union hwmi_arg arg;
 	int err;
 
-	if (start < 0 || end > 100)
+	if (start < 0 || end < 0 || start > 100 || end > 100)
 		return -EINVAL;
 
 	arg.cmd = BATTERY_THRESH_SET;