[PATCH v2] examples/vhost: fix floating point exception when no VMDq
Maxime Coquelin
maxime.coquelin at redhat.com
Wed Jun 1 12:09:48 CEST 2022
On 5/18/22 15:36, Yuan Wang wrote:
> If the VMDQ limits is 0, a divide-by-zero error occurs.
> This patch replaces throwing a floating point exception with
> a normal error message.
>
> Fixes: d19533e86f ("examples/vhost: copy old vhost example")
> Cc: stable at dpdk.org
>
> Signed-off-by: Yuan Wang <yuanx.wang at intel.com>
> ---
> examples/vhost/main.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/examples/vhost/main.c b/examples/vhost/main.c
> index c4d46de1c5..48d9f3802f 100644
> --- a/examples/vhost/main.c
> +++ b/examples/vhost/main.c
> @@ -400,6 +400,10 @@ port_init(uint16_t port)
>
> return retval;
> }
> + if (dev_info.max_vmdq_pools == 0) {
> + RTE_LOG(ERR, VHOST_PORT, "Failed to get VMDQ info.\n");
> + return -1;
> + }
>
> rxconf = &dev_info.default_rxconf;
> txconf = &dev_info.default_txconf;
Applied to dpdk-next-virtio/main.
Thanks,
Maxime
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