uboot-phytec

drivers: net: pfe_eth: undefined return value

Do not use random value from stack as return value of pfe_phy_write().

Indicated by cppcheck.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>