rhashtable: Fix use before NULL check in bucket_table_free
Dan Carpenter reported a use before NULL check bug in the function bucket_table_free. In fact we don't need the NULL check at all as no caller can provide a NULL argument. So this patch fixes this by simply removing it. Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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