net: dsa: check master device before put
In the case of pdata, the dsa_cpu_parse function calls dev_put() before making sure it isn't NULL. Fix this. Fixes: 71e0bbde ("net: dsa: Add support for platform data") Signed-off-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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