check_hung_task(): unsigned sysctl_hung_task_warnings cannot be less than 0

Impact: fix warnings-limit cutoff check for debug feature

unsigned sysctl_hung_task_warnings cannot be less than 0

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
1 file changed