Commit 3c8415cc authored Sep 05, 2017 by Steve Wise Committed by Doug Ledford Sep 22, 2017

iw_cxgb4: drop listen destroy replies if no ep found



If the thread waiting for a CLOSE_LISTSRV_RPL times out and bails,
then we need to handle a subsequent CPL if it arrives and the stid has
been released.  In this case silently drop it.

Cc: stable@vger.kernel.org
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

parent 3d318605

drivers/infiniband/hw/cxgb4/cm.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2333,9 +2333,14 @@ static int close_listsrv_rpl(struct c4iw_dev dev, struct sk_buff skb)
		unsigned int stid = GET_TID(rpl);
		struct c4iw_listen_ep *ep = get_ep_from_stid(dev, stid);

		if (!ep) {
		pr_debug("%s stid %d lookup failure!\n", __func__, stid);
		goto out;
		}
		pr_debug("%s ep %p\n", __func__, ep);
		c4iw_wake_up(&ep->com.wr_wait, status2errno(rpl->status));
		c4iw_put_ep(&ep->com);
		out:
		return 0;
		}