1 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio/vhost-vsock.c b/hw/virtio/vhost-vsock.c
index f9db4beb47..8ddfb9abfe 100644
--- a/hw/virtio/vhost-vsock.c
+++ b/hw/virtio/vhost-vsock.c
@@ -16,6 +16,7 @@
 #include "qapi/error.h"
 #include "hw/virtio/virtio-access.h"
 #include "qemu/error-report.h"
+#include "qemu/sockets.h"
 #include "hw/qdev-properties.h"
 #include "hw/virtio/vhost-vsock.h"
 #include "monitor/monitor.h"
@@ -148,6 +149,13 @@ static void vhost_vsock_device_realize(DeviceState *dev, Error **errp)
             error_prepend(errp, "vhost-vsock: unable to parse vhostfd: ");
             return;
         }
+
+        ret = qemu_try_set_nonblock(vhostfd);
+        if (ret < 0) {
+            error_setg_errno(errp, -ret,
+                             "vhost-vsock: unable to set non-blocking mode");
+            return;
+        }
     } else {
         vhostfd = open("/dev/vhost-vsock", O_RDWR);
         if (vhostfd < 0) {
@@ -155,6 +163,8 @@ static void vhost_vsock_device_realize(DeviceState *dev, Error **errp)
                              "vhost-vsock: failed to open vhost device");
             return;
         }
+
+        qemu_set_nonblock(vhostfd);
     }
 
     vhost_vsock_common_realize(vdev, "vhost-vsock");