netdev - [PATCHv6 net-next 23/31] iw_cxgb4: drop RX_DATA packets if the endpoint is gone

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Message-Id: <1394639446-6504-24-git-send-email-hariprasad@chelsio.com>
Date:	Wed, 12 Mar 2014 21:20:38 +0530
From:	Hariprasad Shenai <hariprasad@...lsio.com>
To:	netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Cc:	davem@...emloft.net, roland@...estorage.com, dm@...lsio.com,
	swise@...ngridcomputing.com, leedom@...lsio.com,
	santosh@...lsio.com, kumaras@...lsio.com, nirranjan@...lsio.com,
	hariprasad@...lsio.com
Subject: [PATCHv6 net-next 23/31] iw_cxgb4: drop RX_DATA packets if the endpoint is gone

From: Steve Wise <swise@...ngridcomputing.com>

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
---
 drivers/infiniband/hw/cxgb4/cm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 9708987..f62801a 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1544,6 +1544,8 @@ 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);
-- 
1.8.4

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