linux-kernel - [PATCH 3.2 023/125] IB/ipath: Translate legacy diagpkt into newer extended diagpkt

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Message-ID: <lsq.1404846110.885545140@decadent.org.uk>
Date:	Tue, 08 Jul 2014 20:01:50 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Mike Marciniszyn" <mike.marciniszyn@...el.com>,
	"Dennis Dalessandro" <dennis.dalessandro@...el.com>,
	"Roland Dreier" <roland@...estorage.com>,
	"Rickard Strandqvist" <rickard_strandqvist@...ctrumdigital.se>
Subject: [PATCH 3.2 023/125] IB/ipath: Translate legacy diagpkt into newer
 extended diagpkt

3.2.61-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Dennis Dalessandro <dennis.dalessandro@...el.com>

commit 7e6d3e5c70f13874fb06e6b67696ed90ce79bd48 upstream.

This patch addresses an issue where the legacy diagpacket is sent in
from the user, but the driver operates on only the extended
diagpkt. This patch specifically initializes the extended diagpkt
based on the legacy packet.

Reported-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@...el.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@...el.com>
Signed-off-by: Roland Dreier <roland@...estorage.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/infiniband/hw/ipath/ipath_diag.c | 4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -346,6 +346,10 @@ static ssize_t ipath_diagpkt_write(struc
 			ret = -EFAULT;
 			goto bail;
 		}
+		dp.len = odp.len;
+		dp.unit = odp.unit;
+		dp.data = odp.data;
+		dp.pbc_wd = 0;
 	} else {
 		ret = -EINVAL;
 		goto bail;

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