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ethtool: module: check fw_flash_in_progress under rtnl_lock

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ethnl_set_module_validate() inspects module_fw_flash_in_progress
but validate is meant for _input_ validation, not state validation.
rtnl_lock is not held, yet. Move the check into ethnl_set_module().

Fixes: 32b4c8b53e ("ethtool: Add ability to flash transceiver modules' firmware")
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Link: https://patch.msgid.link/20260522231312.1710836-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2026-05-22 16:13:07 -07:00
parent 7a84b965ff
commit 504eaefa44
1 changed files with 6 additions and 6 deletions
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12
net/ethtool/module.c
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@ -120,12 +120,6 @@ ethnl_set_module_validate(struct ethnl_req_info *req_info,
if (!tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY])
return 0;
if (req_info->dev->ethtool->module_fw_flash_in_progress) {
NL_SET_ERR_MSG(info->extack,
"Module firmware flashing is in progress");
return -EBUSY;
}
if (!ops->get_module_power_mode || !ops->set_module_power_mode) {
NL_SET_ERR_MSG_ATTR(info->extack,
tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY],
@ -148,6 +142,12 @@ ethnl_set_module(struct ethnl_req_info *req_info, struct genl_info *info)
ops = dev->ethtool_ops;
if (dev->ethtool->module_fw_flash_in_progress) {
NL_SET_ERR_MSG(info->extack,
"Module firmware flashing is in progress");
return -EBUSY;
}
power_new.policy = nla_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]);
ret = ops->get_module_power_mode(dev, &power, info->extack);
if (ret < 0)