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RDMA/cxgb4: Drop peer_abort when no endpoint found

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

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Steve Wise 2012-04-30 15:31:29 -05:00 committed by Roland Dreier
parent 0f1dcfae6b
commit 14b9222808
1 changed files with 6 additions and 0 deletions
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6
drivers/infiniband/hw/cxgb4/cm.c
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@ -2656,6 +2656,12 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb)
unsigned int tid = GET_TID(req); unsigned int tid = GET_TID(req);
ep = lookup_tid(t, tid); 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)) { if (is_neg_adv_abort(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep, PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid); ep->hwtid);