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authorBart Van Assche <bvanassche@acm.org>2018-12-07 04:11:35 +0300
committerIngo Molnar <mingo@kernel.org>2018-12-11 16:54:54 +0300
commita66b6922dc6a5ece60ea9326153da3b062977a4d (patch)
tree8750550a582f2610224805b9613be5ed44093984 /kernel/locking
parent2904d9fa45d3ce7153f1e10d78c570ecf7f19c35 (diff)
downloadlinux-a66b6922dc6a5ece60ea9326153da3b062977a4d.tar.xz
locking/lockdep: Remove a superfluous INIT_LIST_HEAD() statement
Initializing a list entry just before it is passed to list_add_tail_rcu() is not necessary because list_add_tail_rcu() overwrites the next and prev pointers anyway. Hence remove the INIT_LIST_HEAD() statement. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Waiman Long <longman@redhat.com> Cc: johannes.berg@intel.com Cc: tj@kernel.org Link: https://lkml.kernel.org/r/20181207011148.251812-12-bvanassche@acm.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/lockdep.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 81388d028ac7..346b5a1fd062 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -792,7 +792,6 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
class->key = key;
class->name = lock->name;
class->subclass = subclass;
- INIT_LIST_HEAD(&class->lock_entry);
INIT_LIST_HEAD(&class->locks_before);
INIT_LIST_HEAD(&class->locks_after);
class->name_version = count_matching_names(class);