Commit ab992dc38f ("watchdog: Fix merge 'conflict'") has introduced an
obvious deadlock because of a typo. watchdog_proc_mutex should be
unlocked on exit.
Thanks to Miroslav Benes who was staring at the code with me and noticed
this.
Signed-off-by: Michal Hocko <[email protected]>
Duh-by: Peter Zijlstra <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>