net: phy: phy driver features are mandatory
Since phy driver features became a link_mode bitmap, phy drivers that don't have a list of features configured will cause the kernel to crash when probed. Prevent the phy driver from registering if the features field is missing. Fixes: 719655a1 ("net: phy: Replace phy driver features u32 with link_mode bitmap") Reported-by: NScott Wood <oss@buserror.net> Signed-off-by: NCamelia Groza <camelia.groza@nxp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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