net: use consume_skb() in place of kfree_skb()

Remove some dropwatch/drop_monitor false positives.

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

2 files changed, 5 insertions, 3 deletions

diff --git a/net/atm/lec.c b/net/atm/lec.c
index a7d172105c99..3da125c384ea 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -231,9 +231,11 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
         if (skb_headroom(skb) < 2) {
                 pr_debug("reallocating skb\n");
                 skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
-                kfree_skb(skb);
-                if (skb2 == NULL)
+                if (unlikely(!skb2)) {
+                        kfree_skb(skb);
                         return NETDEV_TX_OK;
+                }
+                consume_skb(skb);
                 skb = skb2;
         }
         skb_push(skb, 2);
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c
index ce1e59fdae7b..226dca989448 100644
--- a/net/atm/pppoatm.c
+++ b/net/atm/pppoatm.c
@@ -283,7 +283,7 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb)
                                 kfree_skb(n);
                                 goto nospace;
                         }
-                        kfree_skb(skb);
+                        consume_skb(skb);
                         skb = n;
                         if (skb == NULL)
                                 return DROP_PACKET;