phylib: simplify NULL checks
Fix scripts/checkpatch.pl's messages like: CHECK: Comparison to NULL could be written "!phydrv->read_mmd_indirect" BTW, it doesn't detect the reversed comparisons (which I've fixed as well). Signed-off-by:Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
d3765f08
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