macb: fix mdiobus_scan() error check

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Now mdiobus_scan() returns ERR_PTR(-ENODEV) instead of NULL if the PHY
device ID was read as all ones. As this was not  an error before, this
value  should be filtered out now in this driver.

Fixes: b74766a0a0 ("phylib: don't return NULL from get_phy_device()")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Sergei Shtylyov 2016-05-01 01:47:36 +03:00 • committed by David S. Miller

parent 6dd7454258

commit ce24c2b8a9

1 changed files with 2 additions and 1 deletions

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drivers/net/ethernet/cadence/macb.c

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