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: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2017-02-25 22:38:11 +08:00 committed by David S. Miller
parent 37f1c63e3e
commit ca435407ba

View File

@ -146,9 +146,7 @@ static void bucket_table_free(const struct bucket_table *tbl)
if (tbl->nest)
nested_bucket_table_free(tbl);
if (tbl)
kvfree(tbl->locks);
kvfree(tbl->locks);
kvfree(tbl);
}