1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f042b0373e5d..89776c592151 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1585,6 +1585,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
                 else
                         return -EINVAL;
 
+                if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) !=
+                    !!(tun->flags & TUN_TAP_MQ))
+                        return -EINVAL;
+
                 if (tun_not_capable(tun))
                         return -EPERM;
                 err = security_tun_dev_open(tun->security);