RDMA/cxgb4: Drop RX_DATA packets if the endpoint is gone

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 6836d114d75a..8a645d872483 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1521,6 +1521,8 @@ static int rx_data(struct c4iw_dev *dev, struct sk_buff *skb)
         __u8 status = hdr->status;
 
         ep = lookup_tid(t, tid);
+        if (!ep)
+                return 0;
         PDBG("%s ep %p tid %u dlen %u\n", __func__, ep, ep->hwtid, dlen);
         skb_pull(skb, sizeof(*hdr));
         skb_trim(skb, dlen);