linux-kernel - [PATCH 1/3] blk-mq: fix leak of hctx->ctx

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Message-Id: <1401200414-10823-2-git-send-email-tom.leiming@gmail.com>
Date:	Tue, 27 May 2014 22:20:12 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Cc:	Ming Lei <tom.leiming@...il.com>
Subject: [PATCH 1/3] blk-mq: fix leak of hctx->ctx_map

hctx->ctx_map should have been freed inside blk_mq_free_queue().

Signed-off-by: Ming Lei <tom.leiming@...il.com>
---
 block/blk-mq.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 54e7886..ba39fa7 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1841,6 +1841,7 @@ void blk_mq_free_queue(struct request_queue *q)
 
 	queue_for_each_hw_ctx(q, hctx, i) {
 		kfree(hctx->ctxs);
+		blk_mq_free_bitmap(&hctx->ctx_map);
 		blk_mq_unregister_cpu_notifier(&hctx->cpu_notifier);
 		if (q->mq_ops->exit_hctx)
 			q->mq_ops->exit_hctx(hctx, i);
-- 
1.7.9.5

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