From: Rasmus Villemoes rasmus.villemoes@prevas.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@prevas.dk Reviewed-by: Vivien Didelot vivien.didelot@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.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: