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rhashtable: reset iter when rhashtable_walk_start sees new table
The documentation claims that when rhashtable_walk_start_check() detects a resize event, it will rewind back to the beginning of the table. This is not true. We need to set ->slot and ->skip to be zero for it to be true. Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -737,6 +737,8 @@ int rhashtable_walk_start_check(struct rhashtable_iter *iter)
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if (!iter->walker.tbl && !iter->end_of_table) {
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iter->walker.tbl = rht_dereference_rcu(ht->tbl, ht);
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iter->slot = 0;
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iter->skip = 0;
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return -EAGAIN;
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}
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