lockdep: fix spurious 'inconsistent lock state' warning

Since f82b217e3513fe3af342c0f3ee1494e86250c21c lockdep can output spurious
warnings related to hwirqs due to hardirq_off shrinkage from int to bit-sized
flag. Guard it with double negation to fix the warning.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 77fa776a2da8..3bfb1877a003 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2582,7 +2582,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
         hlock->trylock = trylock;
         hlock->read = read;
         hlock->check = check;
-        hlock->hardirqs_off = hardirqs_off;
+        hlock->hardirqs_off = !!hardirqs_off;
 #ifdef CONFIG_LOCK_STAT
         hlock->waittime_stamp = 0;
         hlock->holdtime_stamp = sched_clock();