linux-kernel - [PATCH] timer: Add lock annotation to lock_timer

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Message-Id: <1154020906.12517.88.camel@josh-work.beaverton.ibm.com>
Date:	Thu, 27 Jul 2006 10:21:46 -0700
From:	Josh Triplett <josht@...ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...l.org>
Subject: [PATCH] timer: Add lock annotation to lock_timer_base

lock_timer_base acquires a lock and returns with that lock held.  Add a lock
annotation to this function so that sparse can check callers for lock pairing,
and so that sparse will not complain about this function since it
intentionally uses the lock in this manner.

Signed-off-by: Josh Triplett <josh@...edesktop.org>
---
 kernel/timer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/timer.c b/kernel/timer.c
index 05809c2..c1dc57d 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -175,6 +175,7 @@ static inline void detach_timer(struct t
  */
 static tvec_base_t *lock_timer_base(struct timer_list *timer,
 					unsigned long *flags)
+	__acquires(timer->base->lock)
 {
 	tvec_base_t *base;
 


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