linux-kernel - [PATCH 12/21] blk-mq: Uninit hardware context in order reverse to init

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Message-Id: <7271ebd6abff4732d6eabb39d02e8e1519a6fa86.1474014910.git.agordeev@redhat.com>
Date:   Fri, 16 Sep 2016 10:51:23 +0200
From:   Alexander Gordeev <agordeev@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Alexander Gordeev <agordeev@...hat.com>,
        Jens Axboe <axboe@...nel.dk>, linux-nvme@...ts.infradead.org
Subject: [PATCH 12/21] blk-mq: Uninit hardware context in order reverse to init

CC: Jens Axboe <axboe@...nel.dk>
CC: linux-nvme@...ts.infradead.org
Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
---
 block/blk-mq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 9b1b6dc..f2bae1a 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2013,12 +2013,13 @@ static void blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set,
 		struct blk_mq_hw_ctx *hctx = hctxs[j];
 
 		if (hctx) {
+			kobject_put(&hctx->kobj);
+
 			if (hctx->tags) {
 				blk_mq_free_rq_map(set, hctx->tags, j);
 				set->tags[j] = NULL;
 			}
 			blk_mq_exit_hctx(q, set, hctx, j);
-			kobject_put(&hctx->kobj);
 			hctxs[j] = NULL;
 		}
 	}
-- 
1.8.3.1