3.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steve Wise <[email protected]>

commit 14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f upstream.

Log a warning and drop the abort message.  Otherwise we will do a
bogus wake_up() and crash.

Signed-off-by: Steve Wise <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/infiniband/hw/cxgb4/cm.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2654,6 +2654,12 @@ static int peer_abort_intr(struct c4iw_d
        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);


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