[dpdk-dev] [PATCH] net/virtio: fix vhost_kernel_set_owner for multi-queue devices

[Thierry Herbelot]

Restore the original code, where VHOST_SET_OWNER is applied to
all vhostfds of the device.

Fixes: 06856cabb89b0 ("net/virtio: add virtio-user ops to set owner")
Cc: Maxime Coquelin <maxime.coquelin at redhat.com>
Cc: Chenbo Xia <chenbo.xia at intel.com>
Signed-off-by: Thierry Herbelot <thierry.herbelot at 6wind.com>
---
 drivers/net/virtio/virtio_user/vhost_kernel.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 768db55a6c1f..58e66bb7b4ae 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -101,9 +101,20 @@ vhost_kernel_ioctl(int fd, uint64_t request, void *arg)
 static int
 vhost_kernel_set_owner(struct virtio_user_dev *dev)
 {
+	int ret;
+	uint32_t i;
 	struct vhost_kernel_data *data = dev->backend_data;
 
-	return vhost_kernel_ioctl(data->vhostfds[0], VHOST_SET_OWNER, NULL);
+	for (i = 0; i < dev->max_queue_pairs; ++i) {
+		if (data->vhostfds[i] < 0)
+			continue;
+
+		ret = vhost_kernel_ioctl(data->vhostfds[i], VHOST_SET_OWNER, NULL);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
 }
 
 static int
-- 
2.29.2