[dpdk-stable] [PATCH] virtio-user: fix backend selection if stat fails
Adrian Moreno
amorenoz at redhat.com
Tue Oct 20 09:16:27 CEST 2020
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: stable at dpdk.org
Signed-off-by: Adrian Moreno <amorenoz at 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
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