From bfaf4af8abf92b883c04d137a0c18245cc9d51a2 Mon Sep 17 00:00:00 2001 From: Hong Zhiguo Date: Thu, 4 Apr 2013 15:01:21 +0800 Subject: [PATCH] lockdep: Remove unnecessary 'hlock_next' variable Signed-off-by: Hong Zhiguo Cc: peterz@infradead.org Link: http://lkml.kernel.org/r/1365058881-4044-1-git-send-email-honkiko@gmail.com Signed-off-by: Ingo Molnar --- kernel/lockdep.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 8a0efac..e5dedda 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -2000,7 +2000,7 @@ static inline int lookup_chain_cache(struct task_struct *curr, struct lock_class *class = hlock_class(hlock); struct list_head *hash_head = chainhashentry(chain_key); struct lock_chain *chain; - struct held_lock *hlock_curr, *hlock_next; + struct held_lock *hlock_curr; int i, j; /* @@ -2057,12 +2057,10 @@ cache_hit: chain->chain_key = chain_key; chain->irq_context = hlock->irq_context; /* Find the first held_lock of current chain */ - hlock_next = hlock; for (i = curr->lockdep_depth - 1; i >= 0; i--) { hlock_curr = curr->held_locks + i; - if (hlock_curr->irq_context != hlock_next->irq_context) + if (hlock_curr->irq_context != hlock->irq_context) break; - hlock_next = hlock; } i++; chain->depth = curr->lockdep_depth + 1 - i; -- 2.7.4