From 14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f Mon Sep 17 00:00:00 2001 From: Steve Wise Date: Mon, 30 Apr 2012 15:31:29 -0500 Subject: [PATCH] RDMA/cxgb4: Drop peer_abort when no endpoint found Log a warning and drop the abort message. Otherwise we will do a bogus wake_up() and crash. Signed-off-by: Steve Wise Cc: Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb4/cm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index b770a044fb8a..4c7c62fe49d3 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -2656,6 +2656,12 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb) unsigned int tid = GET_TID(req); ep = lookup_tid(t, tid); + if (!ep) { + printk(KERN_WARNING MOD + "Abort on non-existent endpoint, tid %d\n", tid); + kfree_skb(skb); + return 0; + } if (is_neg_adv_abort(req->status)) { PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep, ep->hwtid); -- 2.20.1