From e7549b926dd3ceec048f5689df90d4ec970c9419 Mon Sep 17 00:00:00 2001 From: Wolfgang Wiedmeyer Date: Fri, 23 Oct 2015 13:30:20 +0200 Subject: more driver stuff from 3.2.72 --- drivers/infiniband/hw/cxgb4/ev.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers/infiniband/hw/cxgb4/ev.c') diff --git a/drivers/infiniband/hw/cxgb4/ev.c b/drivers/infiniband/hw/cxgb4/ev.c index c13041a..397cb36 100644 --- a/drivers/infiniband/hw/cxgb4/ev.c +++ b/drivers/infiniband/hw/cxgb4/ev.c @@ -42,6 +42,7 @@ static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp, { struct ib_event event; struct c4iw_qp_attributes attrs; + unsigned long flag; if ((qhp->attr.state == C4IW_QP_STATE_ERROR) || (qhp->attr.state == C4IW_QP_STATE_TERMINATE)) { @@ -72,7 +73,9 @@ static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp, if (qhp->ibqp.event_handler) (*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context); + spin_lock_irqsave(&chp->comp_handler_lock, flag); (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); + spin_unlock_irqrestore(&chp->comp_handler_lock, flag); } void c4iw_ev_dispatch(struct c4iw_dev *dev, struct t4_cqe *err_cqe) @@ -183,11 +186,14 @@ out: int c4iw_ev_handler(struct c4iw_dev *dev, u32 qid) { struct c4iw_cq *chp; + unsigned long flag; chp = get_chp(dev, qid); - if (chp) + if (chp) { + spin_lock_irqsave(&chp->comp_handler_lock, flag); (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); - else + spin_unlock_irqrestore(&chp->comp_handler_lock, flag); + } else PDBG("%s unknown cqid 0x%x\n", __func__, qid); return 0; } -- cgit v1.1