ppp: unset IFF_XMIT_DST_RELEASE in ppp_setup()

Jarek pointed pppoe can call back dev_queue_xmit(), and might need
skb->dst, so its safer to unset IFF_XMIT_DST_RELEASE on ppp devices.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 8ee91421db12..639d11bc444e 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1054,6 +1054,7 @@ static void ppp_setup(struct net_device *dev)
         dev->type = ARPHRD_PPP;
         dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
         dev->features |= NETIF_F_NETNS_LOCAL;
+        dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
 }
 
 /*