Guenter, thank you for clarifying the usage of the registration API. Here is a proposed patch that checks for NULL parent if chip is non-NULL to avoid the null pointer dereference when used incorrectly with an update to the documentation. -- Lucas Magasweran (1): hwmon: (core) check parent dev != NULL when chip != NULL Documentation/hwmon/hwmon-kernel-api.txt | 3 ++- drivers/hwmon/hwmon.c | 3 +++ 2 files changed, 5 insertions(+), 1 deletion(-) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html