RDMA/cxgb3: Don't free skbs on NET_XMIT_* indications from LLD

commit 73a203d2014f50d874b9e40083ad481ca70408e8 upstream.

The low level cxgb3 driver can return NET_XMIT_CN and friends.
The iw_cxgb3 driver should _not_ treat these as errors.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Willy Tarreau <w@1wt.eu>

diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 675fc042bc6003d2bcf291bddc63f579e53a0f4c..148f288c871f8bcee610af676123c26bce245c97 100644 (file)
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -150,7 +150,7 @@ int iwch_l2t_send(struct t3cdev *tdev, struct sk_buff *skb, struct l2t_entry *l2
                return -EIO;
        }
        error = l2t_send(tdev, skb, l2e);
-       if (error)
+       if (error < 0)
                kfree_skb(skb);
        return error;
 }
@@ -166,7 +166,7 @@ int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb)
                return -EIO;
        }
        error = cxgb3_ofld_send(tdev, skb);
-       if (error)
+       if (error < 0)
                kfree_skb(skb);
        return error;
 }