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2023 Aug 21
0
[PATCH] vdpa_sim_blk: Fix the potential leak of mgmt_dev
...k.c
> +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
> @@ -499,12 +499,13 @@ static int __init vdpasim_blk_init(void)
> GFP_KERNEL);
> if (!shared_buffer) {
> ret = -ENOMEM;
> - goto parent_err;
> + goto mgmt_dev_err;
> }
> }
>
> return 0;
> -
> +mgmt_dev_err:
> + vdpa_mgmtdev_unregister(&mgmt_dev);
> parent_err:
> device_unregister(&vdpasim_blk_mgmtdev);
> return ret;
>...
2023 Apr 07
2
[PATCH 0/2] vdpa_sim_blk: support shared backend
This series is mainly for testing live migration between 2 vdpa_sim_blk
devices.
The first patch is preparation and moves the buffer allocation into devices,
the second patch adds the `shared_buffer_mutex` parameter to vdpa_sim_blk to
use the same ramdisk for all devices.
Tested with QEMU v8.0.0-rc2 in this way:
modprobe vhost_vdpa
modprobe vdpa_sim_blk shared_backend=true
vdpa dev add mgmtdev