On Thu, 2012-07-05 at 04:14 +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <[email protected]>
> 
> The SGL memory allocated during vhost_scsi_map_iov_to_sgl() setup was never
> getting freed during tv_cmd completion -> release path.  Fix this up by 
> releasing
> tv_cmd->tvc_sgl in vhost_scsi_free_cmd() ahead of tv_cmd descriptor free.
> 
> Cc: Stefan Hajnoczi <[email protected]>
> Cc: Zhi Yong Wu <[email protected]>
> Cc: Michael S. Tsirkin <[email protected]>
> Signed-off-by: Nicholas Bellinger <[email protected]>
> ---
>  drivers/vhost/tcm_vhost.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
> index cd86633..9692153 100644
> --- a/drivers/vhost/tcm_vhost.c
> +++ b/drivers/vhost/tcm_vhost.c
> @@ -387,6 +387,8 @@ static void vhost_scsi_free_cmd(struct tcm_vhost_cmd 
> *tv_cmd)
>               u32 i;
>               for (i = 0; i < tv_cmd->tvc_sgl_count; i++)
>                       put_page(sg_page(&tv_cmd->tvc_sgl[i]));
> +
> +             kfree(tv_cmd->tvc_sgl);
>       }
> 
>       kfree(tv_cmd);

Reviewed-by: Zhi Yong Wu <[email protected]>

-- 
Regards,

Zhi Yong Wu

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