Tested-by: JiangYuX <yux.ji...@intel.com>
Best Regards
Jiang yu
> -----Original Message-----
> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Adrian Moreno
> Sent: Tuesday, October 20, 2020 3:16 PM
> To: dev@dpdk.org
> Cc: Wang, Yinan <yinan.w...@intel.com>; Fu, Patrick
> <patrick...@intel.com>; amore...@redhat.com; sta...@dpdk.org; Maxime
> Coquelin <maxime.coque...@redhat.com>; Xia, Chenbo
> <chenbo....@intel.com>; Wang, Zhihong <zhihong.w...@intel.com>
> Subject: [dpdk-dev] [PATCH] virtio-user: fix backend selection if stat fails
>
> If stat fails it means the backend must be vhost-user in server mode
>
> Bugzilla ID: 559
> Fixes: f908b22ea47a ("net/virtio: move backend type selection to ethdev")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Adrian Moreno <amore...@redhat.com>
> ---
> drivers/net/virtio/virtio_user_ethdev.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_user_ethdev.c
> b/drivers/net/virtio/virtio_user_ethdev.c
> index 042665bc0..ce74d08ab 100644
> --- a/drivers/net/virtio/virtio_user_ethdev.c
> +++ b/drivers/net/virtio/virtio_user_ethdev.c
> @@ -560,9 +560,10 @@ virtio_user_backend_type(const char *path)
> struct stat sb;
>
> if (stat(path, &sb) == -1) {
> - PMD_INIT_LOG(ERR, "Stat fails: %s (%s)\n", path,
> + PMD_INIT_LOG(INFO, "Stat fails: %s (%s)\n", path,
> strerror(errno));
> - return VIRTIO_USER_BACKEND_UNKNOWN;
> + /* Must be vhost-user in server mode */
> + return VIRTIO_USER_BACKEND_VHOST_USER;
> }
>
> if (S_ISSOCK(sb.st_mode)) {
> --
> 2.26.2
