Commit c0900b33 authored May 12, 2015 by Allen Hubbe Committed by Jon Mason Jul 04, 2015

NTB: Do not advance transport RX on link down



On link down, don't advance RX index to the next entry.  The next entry
should never be valid after receiving the link down flag.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

parent e22e0b9d

drivers/ntb/ntb_transport.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1212,8 +1212,7 @@ static int ntb_process_rxc(struct ntb_transport_qp *qp)
		dev_dbg(&qp->ndev->pdev->dev, "link down flag set\n");
		ntb_qp_link_down(qp);
		hdr->flags = 0;
		iowrite32(qp->rx_index, &qp->rx_info->entry);
		return 0;
		return -EAGAIN;
		}

		if (hdr->ver != (u32)qp->rx_pkts) {