diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b770a044fb8a70c55079d7801c136c04754649a1..4c7c62fe49d34d790db67f031a18f3f6c5b9adc5 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);