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net: dsa: microchip: ksz8: ksz8_fdb_dump: avoid extracting ghost entry from empty dynamic MAC table.

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If the dynamic MAC table is empty, we will still extract one outdated
entry. Fix it by using correct bit offset.

Fixes: 4b20a07e10 ("net: dsa: microchip: ksz8795: add support for ksz88xx chips")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oleksij Rempel 2023-03-24 09:06:06 +01:00 committed by David S. Miller
parent b3177aab89
commit 492606cdc7
1 changed files with 1 additions and 1 deletions
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2
drivers/net/dsa/microchip/ksz_common.c
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@ -408,7 +408,7 @@ static const u32 ksz8863_masks[] = {
[STATIC_MAC_TABLE_OVERRIDE] = BIT(20),
[STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(18, 16),
[DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(1, 0),
[DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(7),
[DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(2),
[DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
[DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 24),
[DYNAMIC_MAC_TABLE_FID] = GENMASK(19, 16),