From: Ming Lei <tom.leiming@gmail.com>
Date: Sat, 19 Apr 2014 10:00:16 +0000 (+0800)
Subject: blk-mq: free hctx->ctx_map when init failed
X-Git-Tag: v3.16-rc1~30^2~49^2~68
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=11471e0d04f3762b9216d8421ce6e9d89b0bf450;p=~emulex%2Finfiniband.git

blk-mq: free hctx->ctx_map when init failed

Avoid memory leak in the failure path.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/block/blk-mq.c b/block/blk-mq.c
index ee225cc312b..5fbbb221d49 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1289,6 +1289,7 @@ static int blk_mq_init_hw_queues(struct request_queue *q,
 
 		blk_mq_unregister_cpu_notifier(&hctx->cpu_notifier);
 		kfree(hctx->ctxs);
+		kfree(hctx->ctx_map);
 	}
 
 	return 1;