From: Hou Tao <houtao1@huawei.com>
To: <linux-block@vger.kernel.org>,
<virtualization@lists.linux-foundation.org>
Cc: Stefan Hajnoczi <stefanha@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Ming Lei <ming.lei@canonical.com>
Subject: [PATCH] virtio-blk: free vblk-vqs in error path of virtblk_probe()
Date: Mon, 15 Jun 2020 12:14:59 +0800 [thread overview]
Message-ID: <20200615041459.22477-1-houtao1@huawei.com> (raw)
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@huawei.com>
---
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 9d21bf0f155e..980df853ee49 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -878,6 +878,7 @@ 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:
--
2.25.0.4.g0ad7144999
next reply other threads:[~2020-06-15 4:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 4:14 Hou Tao [this message]
2020-06-15 7:32 ` [PATCH] virtio-blk: free vblk-vqs in error path of virtblk_probe() Stefano Garzarella
2020-06-29 4:28 ` Hou Tao
2020-06-30 22:30 ` Ming Lei
2020-07-01 1:03 ` Jens Axboe
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