linux-kernel - [PATCH] Block: blk-cgroup: fixed compiler warning about unused local variable

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Message-Id: <1340431796-8581-1-git-send-email-chad@dahc.us>
Date:	Sat, 23 Jun 2012 01:09:56 -0500
From:	Chad Williamson <chad@...c.us>
To:	axboe@...nel.dk
Cc:	linux-kernel@...r.kernel.org, Chad Williamson <chad@...c.us>
Subject: [PATCH] Block: blk-cgroup: fixed compiler warning about unused local variable

Removed an unnecessary local variable in blkg_destroy() which was
causing a compiler warning.

Signed-off-by: Chad Williamson <chad@...c.us>
---
 block/blk-cgroup.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 02cf633..14bd85c 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -245,10 +245,9 @@ EXPORT_SYMBOL_GPL(blkg_lookup_create);
 
 static void blkg_destroy(struct blkcg_gq *blkg)
 {
-	struct request_queue *q = blkg->q;
 	struct blkcg *blkcg = blkg->blkcg;
 
-	lockdep_assert_held(q->queue_lock);
+	lockdep_assert_held(blkg->q->queue_lock);
 	lockdep_assert_held(&blkcg->lock);
 
 	/* Something wrong if we are trying to remove same group twice */
-- 
1.7.7

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