Message ID | 20231027-ethtool_puts_impl-v3-0-3466ac679304@google.com |
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Headers |
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Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Shay Agroskin <shayagr@amazon.com>, Arthur Kiyanovski <akiyano@amazon.com>, David Arinzon <darinzon@amazon.com>, Noam Dagan <ndagan@amazon.com>, Saeed Bishara <saeedb@amazon.com>, Rasesh Mody <rmody@marvell.com>, Sudarsana Kalluru <skalluru@marvell.com>, GR-Linux-NIC-Dev@marvell.com, Dimitris Michailidis <dmichail@fungible.com>, Yisen Zhuang <yisen.zhuang@huawei.com>, Salil Mehta <salil.mehta@huawei.com>, Jesse Brandeburg <jesse.brandeburg@intel.com>, Tony Nguyen <anthony.l.nguyen@intel.com>, Louis Peens <louis.peens@corigine.com>, Shannon Nelson <shannon.nelson@amd.com>, Brett Creeley <brett.creeley@amd.com>, drivers@pensando.io, "K. Y. Srinivasan" <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>, Ronak Doshi <doshir@vmware.com>, VMware PV-Drivers Reviewers <pv-drivers@vmware.com>, Andy Whitcroft <apw@canonical.com>, Joe Perches <joe@perches.com>, Dwaipayan Ray <dwaipayanray1@gmail.com>, Lukas Bulwahn <lukas.bulwahn@gmail.com>, Hauke Mehrtens <hauke@hauke-m.de>, Andrew Lunn <andrew@lunn.ch>, Florian Fainelli <f.fainelli@gmail.com>, Vladimir Oltean <olteanv@gmail.com>, " =?utf-8?b?QXLEsW7DpyDDnE5BTA==?= " <arinc.unal@arinc9.com>, Daniel Golle <daniel@makrotopia.org>, Landen Chao <Landen.Chao@mediatek.com>, DENG Qingfang <dqfext@gmail.com>, Sean Wang <sean.wang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, Linus Walleij <linus.walleij@linaro.org>, " =?utf-8?q?Alvin_=C5=A0ipraga?= " <alsi@bang-olufsen.dk>, Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>, Clark Wang <xiaoning.wang@nxp.com>, NXP Linux Team <linux-imx@nxp.com>, Lars Povlsen <lars.povlsen@microchip.com>, Steen Hegelund <Steen.Hegelund@microchip.com>, Daniel Machon <daniel.machon@microchip.com>, UNGLinuxDriver@microchip.com, Jiawen Wu <jiawenwu@trustnetic.com>, Mengyuan Lou <mengyuanlou@net-swift.com>, Heiner Kallweit <hkallweit1@gmail.com>, Russell King <linux@armlinux.org.uk>, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Jesper Dangaard Brouer <hawk@kernel.org>, John Fastabend <john.fastabend@gmail.com> Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Nick Desaulniers <ndesaulniers@google.com>, Nathan Chancellor <nathan@kernel.org>, Kees Cook <keescook@chromium.org>, intel-wired-lan@lists.osuosl.org, oss-drivers@corigine.com, linux-hyperv@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bpf@vger.kernel.org, Justin Stitt <justinstitt@google.com> Content-Type: text/plain; charset="utf-8" X-Spam-Status: No, score=-8.4 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Fri, 27 Oct 2023 15:05:59 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780856862112187138 X-GMAIL-MSGID: 1780948033003894960 |
Series |
ethtool: Add ethtool_puts()
|
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Message
Justin Stitt
Oct. 27, 2023, 10:05 p.m. UTC
Hi,
This series aims to implement ethtool_puts() and send out a wave 1 of
conversions from ethtool_sprintf(). There's also a checkpatch patch
included to check for the cases listed below.
This was sparked from recent discussion here [1]
The conversions are used in cases where ethtool_sprintf() was being used
with just two arguments:
| ethtool_sprintf(&data, buffer[i].name);
or when it's used with format string: "%s"
| ethtool_sprintf(&data, "%s", buffer[i].name);
which both now become:
| ethtool_puts(&data, buffer[i].name);
The first case commonly triggers a -Wformat-security warning with Clang
due to potential problems with format flags present in the strings [3].
The second is just a bit weird with a plain-ol' "%s".
v2 (and newer) of this patch is targeted at linux-next so that we can
catch some of the patches I sent [2] using this "%s" pattern and replace
them before they hit mainline.
Changes found with Cocci [4] and grep [5].
[1]: https://lore.kernel.org/all/202310141935.B326C9E@keescook/
[2]: https://lore.kernel.org/all/?q=dfb%3Aethtool_sprintf+AND+f%3Ajustinstitt
[3]: https://lore.kernel.org/all/202310101528.9496539BE@keescook/
[4]: (script authored by Kees w/ modifications from Joe)
@replace_2_args@
expression BUF;
expression VAR;
@@
- ethtool_sprintf(BUF, VAR)
+ ethtool_puts(BUF, VAR)
@replace_3_args@
expression BUF;
expression VAR;
@@
- ethtool_sprintf(BUF, "%s", VAR)
+ ethtool_puts(BUF, VAR)
- ethtool_sprintf(&BUF, "%s", VAR)
+ ethtool_puts(&BUF, VAR)
[5]: $ rg "ethtool_sprintf\(\s*[^,)]+\s*,\s*[^,)]+\s*\)"
Signed-off-by: Justin Stitt <justinstitt@google.com>
---
Changes in v3:
- fix force_speed_maps merge conflict + formatting (thanks Vladimir)
- rebase onto net-next (thanks Andrew, Vladimir)
- change subject (thanks Vladimir)
- fix checkpatch formatting + implementation (thanks Joe)
- Link to v2: https://lore.kernel.org/r/20231026-ethtool_puts_impl-v2-0-0d67cbdd0538@google.com
Changes in v2:
- wrap lines better in replacement (thanks Joe, Kees)
- add --fix to checkpatch (thanks Joe)
- clean up checkpatch formatting (thanks Joe, et al.)
- rebase against next
- Link to v1: https://lore.kernel.org/r/20231025-ethtool_puts_impl-v1-0-6a53a93d3b72@google.com
---
Justin Stitt (3):
ethtool: Implement ethtool_puts()
checkpatch: add ethtool_sprintf rules
net: Convert some ethtool_sprintf() to ethtool_puts()
drivers/net/dsa/lantiq_gswip.c | 2 +-
drivers/net/dsa/mt7530.c | 2 +-
drivers/net/dsa/qca/qca8k-common.c | 2 +-
drivers/net/dsa/realtek/rtl8365mb.c | 2 +-
drivers/net/dsa/realtek/rtl8366-core.c | 2 +-
drivers/net/dsa/vitesse-vsc73xx-core.c | 8 +--
drivers/net/ethernet/amazon/ena/ena_ethtool.c | 4 +-
drivers/net/ethernet/brocade/bna/bnad_ethtool.c | 2 +-
drivers/net/ethernet/freescale/fec_main.c | 4 +-
.../net/ethernet/fungible/funeth/funeth_ethtool.c | 8 +--
drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c | 2 +-
.../net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c | 2 +-
drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 65 +++++++++++-----------
drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 6 +-
drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 3 +-
drivers/net/ethernet/intel/ice/ice_ethtool.c | 9 +--
drivers/net/ethernet/intel/idpf/idpf_ethtool.c | 2 +-
drivers/net/ethernet/intel/igb/igb_ethtool.c | 6 +-
drivers/net/ethernet/intel/igc/igc_ethtool.c | 6 +-
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 5 +-
.../net/ethernet/microchip/sparx5/sparx5_ethtool.c | 2 +-
.../net/ethernet/netronome/nfp/nfp_net_ethtool.c | 44 +++++++--------
drivers/net/ethernet/pensando/ionic/ionic_stats.c | 4 +-
drivers/net/ethernet/wangxun/libwx/wx_ethtool.c | 2 +-
drivers/net/hyperv/netvsc_drv.c | 4 +-
drivers/net/phy/nxp-tja11xx.c | 2 +-
drivers/net/phy/smsc.c | 2 +-
drivers/net/vmxnet3/vmxnet3_ethtool.c | 10 ++--
include/linux/ethtool.h | 13 +++++
net/ethtool/ioctl.c | 7 +++
scripts/checkpatch.pl | 19 +++++++
31 files changed, 139 insertions(+), 112 deletions(-)
---
base-commit: 3a04927f8d4b7a4f008f04af41e31173002eb1ea
change-id: 20231025-ethtool_puts_impl-a1479ffbc7e0
Best regards,
--
Justin Stitt <justinstitt@google.com>