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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shay Agroskin , Arthur Kiyanovski , David Arinzon , Noam Dagan , Saeed Bishara , Rasesh Mody , Sudarsana Kalluru , GR-Linux-NIC-Dev@marvell.com, Dimitris Michailidis , Yisen Zhuang , Salil Mehta , Jesse Brandeburg , Tony Nguyen , Louis Peens , Shannon Nelson , Brett Creeley , drivers@pensando.io, "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Ronak Doshi , VMware PV-Drivers Reviewers , Andy Whitcroft , Joe Perches , Dwaipayan Ray , Lukas Bulwahn , Hauke Mehrtens , Andrew Lunn , Florian Fainelli , Vladimir Oltean , " =?utf-8?b?QXLEsW7DpyDDnE5BTA==?= " , Daniel Golle , Landen Chao , DENG Qingfang , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Linus Walleij , " =?utf-8?q?Alvin_=C5=A0ipraga?= " , Wei Fang , Shenwei Wang , Clark Wang , NXP Linux Team , Lars Povlsen , Steen Hegelund , Daniel Machon , UNGLinuxDriver@microchip.com, Jiawen Wu , Mengyuan Lou , Heiner Kallweit , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Nick Desaulniers , Nathan Chancellor , Kees Cook , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231026_145616_533955_6D025496 X-CRM114-Status: GOOD ( 14.00 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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 --- 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 treewide: 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 | 34 +++++++---- net/ethtool/ioctl.c | 7 +++ scripts/checkpatch.pl | 19 +++++++ 31 files changed, 149 insertions(+), 123 deletions(-) --- base-commit: 2ef7141596eed0b4b45ef18b3626f428a6b0a822 change-id: 20231025-ethtool_puts_impl-a1479ffbc7e0 Best regards, -- Justin Stitt