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Message-Id: <20190609164128.510928735@linuxfoundation.org>
Date: Sun, 9 Jun 2019 18:41:41 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
Vivien Didelot <vivien.didelot@...il.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.9 11/83] net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT
From: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
[ Upstream commit 84b3fd1fc9592d431e23b077e692fa4e3fd0f086 ]
Currently, the upper half of a 4-byte STATS_TYPE_PORT statistic ends
up in bits 47:32 of the return value, instead of bits 31:16 as they
should.
Fixes: 6e46e2d821bb ("net: dsa: mv88e6xxx: Fix u64 statistics")
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Reviewed-by: Vivien Didelot <vivien.didelot@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/net/dsa/mv88e6xxx/chip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -789,7 +789,7 @@ static uint64_t _mv88e6xxx_get_ethtool_s
err = mv88e6xxx_port_read(chip, port, s->reg + 1, ®);
if (err)
return UINT64_MAX;
- high = reg;
+ low |= ((u32)reg) << 16;
}
break;
case BANK0:
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