diff options
| -rw-r--r-- | drivers/net/tun.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 729ed533bb33..0c9df2fe8f05 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1593,8 +1593,12 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) return err; if (tun->flags & TUN_TAP_MQ && - (tun->numqueues + tun->numdisabled > 1)) - return -EBUSY; + (tun->numqueues + tun->numdisabled > 1)) { + /* One or more queue has already been attached, no need + * to initialize the device again. + */ + return 0; + } } else { char *name; |