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ethtool: mark netlink family as __ro_after_init 

Like all genl families ethtool_genl_family needs to not
be a straight up constant, because it's modified/initialized
by genl_register_family(). After init, however, it's only
passed to genlmsg_put() & co. therefore we can mark it
as __ro_after_init.

Since genl_family structure contains function pointers
mark this as a fix.

Fixes: 2b4a8990b7 ("ethtool: introduce ethtool netlink interface")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: hongrongxuan <hongrongxuan@huawei.com>
This commit is contained in:
Jakub Kicinski 2020-09-28 17:58:41 -07:00 committed by Jianping Liu
parent 266768bd63
commit b86b2c163b
1 changed files with 1 additions and 1 deletions
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2
net/ethtool/netlink.c
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@ -838,7 +838,7 @@ static const struct genl_multicast_group ethtool_nl_mcgrps[] = {
[ETHNL_MCGRP_MONITOR] = { .name = ETHTOOL_MCGRP_MONITOR_NAME },
};
static struct genl_family ethtool_genl_family = {
static struct genl_family ethtool_genl_family __ro_after_init = {
.name = ETHTOOL_GENL_NAME,
.version = ETHTOOL_GENL_VERSION,
.netnsok = true,