netlink: Reset portid after netlink_insert failure
The commit c5adde94 ("netlink: eliminate nl_sk_hash_lock") breaks the autobind retry mechanism because it doesn't reset portid after a failed netlink_insert. This means that should autobind fail the first time around, then the socket will be stuck in limbo as it can never be bound again since it already has a non-zero portid. Fixes: c5adde94 ("netlink: eliminate nl_sk_hash_lock") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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