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 <[email protected]> --- drivers/ntb/ntb_transport.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 8a6db1a..9b4e240 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -1211,8 +1211,7 @@ 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) { -- 2.4.0.rc0.43.gcf8a8c6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
