netfilter: xtables: add and use xt_request_find_table_lock
currently we always return -ENOENT to userspace if we can't find a particular table, or if the table initialization fails. Followup patch will make nat table init fail in case nftables already registered a nat hook so this change makes xt_find_table_lock return an ERR_PTR to return the errno value reported from the table init function. Add xt_request_find_table_lock as try_then_request_module replacement and use it where needed. Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>
Showing
想要评论请 注册 或 登录