| Date | Mon, 28 May 2012 04:12:31 +0100 | From | Ben Hutchings <> | Subject | [ 029/117] RDMA/cxgb4: Drop peer_abort when no endpoint found |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Steve Wise <swise@opengridcomputing.com>
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 <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- 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 b770a044..4c7c62f 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);
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