tun: Report "persist" flag to userspace

[karo-tx-linux.git] / drivers / net / tun.c

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 89776c5921518e60a3f73816277e027b4a9f8739..b90a73165d30a32c98f76c7d876bee378f11461c 100644 (file)
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1530,6 +1530,9 @@ static int tun_flags(struct tun_struct *tun)
        if (tun->flags & TUN_TAP_MQ)
                flags |= IFF_MULTI_QUEUE;
 
+       if (tun->flags & TUN_PERSIST)
+               flags |= IFF_PERSIST;
+
        return flags;
 }