netdev-linux: Use "read", not "recv", for tap devices.

[cascardo/ovs.git] / lib / netdev-linux.c

diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
index 19a80fb..b287269 100644 (file)
--- a/lib/netdev-linux.c
+++ b/lib/netdev-linux.c
@@ -802,7 +802,11 @@ netdev_linux_recv(struct netdev *netdev_, void *data, size_t size)
     }
 
     for (;;) {
-        ssize_t retval = recv(netdev->fd, data, size, MSG_TRUNC);
+        ssize_t retval;
+
+        retval = (netdev_->netdev_dev->netdev_class == &netdev_tap_class
+                  ? read(netdev->fd, data, size)
+                  : recv(netdev->fd, data, size, MSG_TRUNC));
         if (retval >= 0) {
             return retval <= size ? retval : -EMSGSIZE;
         } else if (errno != EINTR) {