| From 14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f Mon Sep 17 00:00:00 2001 |
| From: Steve Wise <swise@opengridcomputing.com> |
| Date: Mon, 30 Apr 2012 15:31:29 -0500 |
| Subject: RDMA/cxgb4: Drop peer_abort when no endpoint found |
| |
| 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| 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 |
| @@ -2656,6 +2656,12 @@ 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); |