Function fan_boost_mode_store should return number of bytes written but instead it returns return value of kstrtou8 which is 0 if conversion is succefull. This leads to infinite loop after any write to it's SysFS entry. Fixes: b096f626a682 ("platform/x86: asus-wmi: Switch fan boost mode") Signed-off-by: Leonid Maksymchuk <leonmaxx@xxxxxxxxx> --- drivers/platform/x86/asus-wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 821b08e..723aa4d 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1718,7 +1718,7 @@ static ssize_t fan_boost_mode_store(struct device *dev, asus->fan_boost_mode = new_mode; fan_boost_mode_write(asus); - return result; + return count; } // Fan boost mode: 0 - normal, 1 - overboost, 2 - silent -- 1.8.3.1