claw: remove unused return code handling
Remove unused return code handling. The claw driver is mostly dead, so just make sure it keeps compiling without warnings. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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