From: Steve Wise <swise@opengridcomputing.com>
Date: Fri, 21 Mar 2014 15:10:36 +0000 (+0530)
Subject: RDMA/cxgb4: Drop RX_DATA packets if the endpoint is gone
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=977116c69862a6062f302395cb3546544d7e1bc1;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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);