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Date: Thu, 1 Oct 2020 15:59:31 -0700 From: Jakub Kicinski <kuba@...nel.org> To: davem@...emloft.net Cc: netdev@...r.kernel.org, andrew@...n.ch, johannes@...solutions.net, jiri@...nulli.us, mkubecek@...e.cz, dsahern@...nel.org, pablo@...filter.org, Jakub Kicinski <kuba@...nel.org> Subject: [PATCH net-next v2 08/10] genetlink: use parsed attrs in dumppolicy Attributes are already parsed based on the policy specified in the family and ready-to-use in info->attrs. No need to call genlmsg_parse() again. Signed-off-by: Jakub Kicinski <kuba@...nel.org> --- net/netlink/genetlink.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 2a3608cfb179..9e50a8e4abf9 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -1117,18 +1117,13 @@ struct ctrl_dump_policy_ctx { static int ctrl_dumppolicy_start(struct netlink_callback *cb) { + const struct genl_dumpit_info *info = genl_dumpit_info(cb); struct ctrl_dump_policy_ctx *ctx = (void *)cb->ctx; - struct nlattr *tb[CTRL_ATTR_MAX + 1]; + struct nlattr **tb = info->attrs; const struct genl_family *rt; - int err; BUILD_BUG_ON(sizeof(*ctx) > sizeof(cb->ctx)); - err = genlmsg_parse(cb->nlh, &genl_ctrl, tb, genl_ctrl.maxattr, - genl_ctrl.policy, cb->extack); - if (err) - return err; - if (!tb[CTRL_ATTR_FAMILY_ID] && !tb[CTRL_ATTR_FAMILY_NAME]) return -EINVAL; -- 2.26.2
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