dsa: tag_dsa: Fix mask for trunked packets
A packet received on a trunk will have bit 2 set in Forward DSA tagged frame. Bit 1 can be either 0 or 1 and is otherwise undefined and bit 0 indicates the frame CFI. Masking with 7 thus results in frames as being identified as being from a trunk when in fact they are not. Fix the mask to just look at bit 2. Fixes: 5b60dadb ("net: dsa: tag_dsa: Support reception of packets from LAG devices") Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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