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Re: [Qemu-devel] [PATCH] vhost-user: verify that number of queues is non
From: |
Jason Wang |
Subject: |
Re: [Qemu-devel] [PATCH] vhost-user: verify that number of queues is non-zero |
Date: |
Wed, 2 Dec 2015 14:53:22 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 12/01/2015 09:32 PM, Victor Kaplansky wrote:
> Fix QEMU crash when -netdev type=vhost-user,queues=n is passed
> with zero number of queues.
>
> Signed-off-by: Victor Kaplansky <address@hidden>
> ---
> net/vhost-user.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/net/vhost-user.c b/net/vhost-user.c
> index 5071602..b368a90 100644
> --- a/net/vhost-user.c
> +++ b/net/vhost-user.c
> @@ -316,6 +316,11 @@ int net_init_vhost_user(const NetClientOptions *opts,
> const char *name,
> }
>
> queues = vhost_user_opts->has_queues ? vhost_user_opts->queues : 1;
> + if (queues < 1) {
> + error_setg(errp,
> + "vhost-user number of queues must be bigger than zero");
> + return -1;
> + }
>
> return net_vhost_user_init(peer, "vhost_user", name, chr, queues);
> }
Acked-by: Jason Wang <address@hidden>