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Message-ID: <20241029065824.670f14fc@kernel.org>
Date: Tue, 29 Oct 2024 06:58:24 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Michael Chan <michael.chan@...adcom.com>, Andrew Lunn
<andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric
Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Potnuri
Bharat Teja <bharat@...lsio.com>, Christian Benvenuti <benve@...co.com>,
Satish Kharat <satishkh@...co.com>, Manish Chopra <manishc@...vell.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-hardening@...r.kernel.org
Subject: Re: [PATCH 2/2][next] net: ethtool: Avoid thousands of
-Wflex-array-member-not-at-end warnings
On Mon, 21 Oct 2024 13:02:27 -0600 Gustavo A. R. Silva wrote:
> @@ -3025,7 +3025,7 @@ static int bnxt_set_link_ksettings(struct net_device *dev,
> {
> struct bnxt *bp = netdev_priv(dev);
> struct bnxt_link_info *link_info = &bp->link_info;
> - const struct ethtool_link_settings *base = &lk_ksettings->base;
> + const struct ethtool_link_settings_hdr *base = &lk_ksettings->base;
Please improve the variable ordering while at it. Longest list first,
so move the @base definition first.
> bool set_pause = false;
> u32 speed, lanes = 0;
> int rc = 0;
> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
> index 7f3f5afa864f..cc43294bdc96 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
> @@ -663,7 +663,7 @@ static int get_link_ksettings(struct net_device *dev,
> struct ethtool_link_ksettings *link_ksettings)
> {
> struct port_info *pi = netdev_priv(dev);
> - struct ethtool_link_settings *base = &link_ksettings->base;
> + struct ethtool_link_settings_hdr *base = &link_ksettings->base;
ditto
> /* For the nonce, the Firmware doesn't send up Port State changes
> * when the Virtual Interface attached to the Port is down. So
> @@ -719,7 +719,7 @@ static int set_link_ksettings(struct net_device *dev,
> {
> struct port_info *pi = netdev_priv(dev);
> struct link_config *lc = &pi->link_cfg;
> - const struct ethtool_link_settings *base = &link_ksettings->base;
> + const struct ethtool_link_settings_hdr *base = &link_ksettings->base;
and here
> struct link_config old_lc;
> unsigned int fw_caps;
> int ret = 0;
> diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
> index 2fbe0f059a0b..0d85ac342ac7 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
> @@ -1437,7 +1437,7 @@ static int cxgb4vf_get_link_ksettings(struct net_device *dev,
> struct ethtool_link_ksettings *link_ksettings)
> {
> struct port_info *pi = netdev_priv(dev);
> - struct ethtool_link_settings *base = &link_ksettings->base;
> + struct ethtool_link_settings_hdr *base = &link_ksettings->base;
and here
> /* For the nonce, the Firmware doesn't send up Port State changes
> * when the Virtual Interface attached to the Port is down. So
> diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
> index f7986f2b6a17..8670eb394fad 100644
> --- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c
> +++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
> @@ -130,7 +130,7 @@ static int enic_get_ksettings(struct net_device *netdev,
> struct ethtool_link_ksettings *ecmd)
> {
> struct enic *enic = netdev_priv(netdev);
> - struct ethtool_link_settings *base = &ecmd->base;
> + struct ethtool_link_settings_hdr *base = &ecmd->base;
and here
> ethtool_link_ksettings_add_link_mode(ecmd, supported,
> 10000baseT_Full);
> @@ -62,7 +62,7 @@ static int linkmodes_reply_size(const struct ethnl_req_info *req_base,
> {
> const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
> const struct ethtool_link_ksettings *ksettings = &data->ksettings;
> - const struct ethtool_link_settings *lsettings = &ksettings->base;
> + const struct ethtool_link_settings_hdr *lsettings = &ksettings->base;
here it was correct and now its not
> bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
> int len, ret;
>
> @@ -103,7 +103,7 @@ static int linkmodes_fill_reply(struct sk_buff *skb,
> {
> const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
> const struct ethtool_link_ksettings *ksettings = &data->ksettings;
> - const struct ethtool_link_settings *lsettings = &ksettings->base;
> + const struct ethtool_link_settings_hdr *lsettings = &ksettings->base;
same
> bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
> int ret;
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