Re: [PATCH 15/22] hwmon: applesmc: fix format string overflow

2017-07-14 Thread Guenter Roeck
On 07/14/2017 05:07 AM, Arnd Bergmann wrote: gcc-7 warns that the key might exceed five bytes for lage index values: drivers/hwmon/applesmc.c: In function 'applesmc_show_fan_position': drivers/hwmon/applesmc.c:906:18: error: '%d' directive writing between 1 and 5 bytes into a region of size 4 [

[PATCH 15/22] hwmon: applesmc: fix format string overflow

2017-07-14 Thread Arnd Bergmann
gcc-7 warns that the key might exceed five bytes for lage index values: drivers/hwmon/applesmc.c: In function 'applesmc_show_fan_position': drivers/hwmon/applesmc.c:906:18: error: '%d' directive writing between 1 and 5 bytes into a region of size 4 [-Werror=format-overflow=] sprintf(newkey, FAN_I