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H A Dsja1105_mdio.cdiff ab324d8dfddad04bec0e8421242716504e31e204 Wed Jun 09 12:43:53 CDT 2021 Colin Ian King <colin.king@canonical.com> net: dsa: sja1105: Fix assigned yet unused return code rc

The return code variable rc is being set to return error values in two
places in sja1105_mdiobus_base_tx_register and yet it is not being
returned, the function always returns 0 instead. Fix this by replacing
the return 0 with the return code rc.

Addresses-Coverity: ("Unused value")
Fixes: 5a8f09748ee7 ("net: dsa: sja1105: register the MDIO buses for 100base-T1 and 100base-TX")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>