linux-kernel - [PATCH 05 of 33] IB/ipath - fix case where SRQ limit event causes CQ entry to be dropped

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Message-Id: <fa38a027a0853a80c4f7.1173995089@iqa-25.internal.keyresearch.com>
Date:	Thu, 15 Mar 2007 14:44:49 -0700
From:	Bryan O'Sullivan <bos@...hscale.com>
To:	rdreier@...co.com
Cc:	openib-general@...nfabrics.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05 of 33] IB/ipath - fix case where SRQ limit event causes CQ
	entry to be dropped

# HG changeset patch
# User Ralph Campbell <ralph.campbell@...gic.com>
# Date 1173994464 25200
# Node ID fa38a027a0853a80c4f7dfc50345c89f195bc85b
# Parent  d90faa722f120e0896aff3643a623b1e0c0c69d0
IB/ipath - fix case where SRQ limit event causes CQ entry to be dropped

A silly programming error causes a CQ entry to not be generated if a
SRQ limit event is generated.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@...gic.com>

diff -r d90faa722f12 -r fa38a027a085 drivers/infiniband/hw/ipath/ipath_ruc.c
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c	Thu Mar 15 14:34:24 2007 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c	Thu Mar 15 14:34:24 2007 -0700
@@ -202,6 +202,7 @@ int ipath_get_rwqe(struct ipath_qp *qp, 
 	wq->tail = tail;
 
 	ret = 1;
+	qp->r_wrid_valid = 1;
 	if (handler) {
 		u32 n;
 
@@ -229,7 +230,6 @@ int ipath_get_rwqe(struct ipath_qp *qp, 
 		}
 	}
 	spin_unlock_irqrestore(&rq->lock, flags);
-	qp->r_wrid_valid = 1;
 
 bail:
 	return ret;
-
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