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Date: Tue, 7 Jul 2020 17:13:48 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Hou Tao <houtao1@...wei.com>,
Stefano Garzarella <sgarzare@...hat.com>,
Ming Lei <ming.lei@...hat.com>, Jens Axboe <axboe@...nel.dk>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 16/24] virtio-blk: free vblk-vqs in error path of virtblk_probe()
From: Hou Tao <houtao1@...wei.com>
[ Upstream commit e7eea44eefbdd5f0345a0a8b80a3ca1c21030d06 ]
Else there will be memory leak if alloc_disk() fails.
Fixes: 6a27b656fc02 ("block: virtio-blk: support multi virt queues per virtio-blk device")
Signed-off-by: Hou Tao <houtao1@...wei.com>
Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>
Reviewed-by: Ming Lei <ming.lei@...hat.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/block/virtio_blk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index f287eec36b282..e57a1f6e39d5c 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -749,6 +749,7 @@ static int virtblk_probe(struct virtio_device *vdev)
put_disk(vblk->disk);
out_free_vq:
vdev->config->del_vqs(vdev);
+ kfree(vblk->vqs);
out_free_vblk:
kfree(vblk);
out_free_index:
--
2.25.1
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