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From: Arnd Bergmann <arnd@kernel.org>
To: llvm@lists.linux.dev
Cc: "Arnd Bergmann" <arnd@arndb.de>,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	"Claudiu Manoil" <claudiu.manoil@nxp.com>,
	"Vladimir Oltean" <vladimir.oltean@nxp.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Saeed Mahameed" <saeedm@nvidia.com>,
	"Leon Romanovsky" <leon@kernel.org>,
	"Ariel Elior" <aelior@marvell.com>,
	"Manish Chopra" <manishc@marvell.com>,
	"Hans de Goede" <hdegoede@redhat.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Maximilian Luz" <luzmaximilian@gmail.com>,
	"Hannes Reinecke" <hare@kernel.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	"Helge Deller" <deller@gmx.de>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nicolas Schier" <nicolas@fjasle.eu>,
	"Johannes Berg" <johannes@sipsolutions.net>,
	"Jaroslav Kysela" <perex@perex.cz>,
	"Takashi Iwai" <tiwai@suse.com>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Bill Wendling" <morbo@google.com>,
	"Justin Stitt" <justinstitt@google.com>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
	platform-driver-x86@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	alsa-devel@alsa-project.org, linux-sound@vger.kernel.org
Subject: [PATCH 0/9] enabled -Wformat-truncation for clang
Date: Tue, 26 Mar 2024 23:37:59 +0100	[thread overview]
Message-ID: <20240326223825.4084412-1-arnd@kernel.org> (raw)

From: Arnd Bergmann <arnd@arndb.de>

With randconfig build testing, I found only eight files that produce
warnings with clang when -Wformat-truncation is enabled. This means
we can just turn it on by default rather than only enabling it for
"make W=1".

Unfortunately, gcc produces a lot more warnings when the option
is enabled, so it's not yet possible to turn it on both both
compilers.

I hope that the patches can get picked up by platform maintainers
directly, so the final patch can go in later on.

     Arnd

Arnd Bergmann (9):
  fbdev: shmobile: fix snprintf truncation
  enetc: avoid truncating error message
  qed: avoid truncating work queue length
  mlx5: avoid truncating error message
  surface3_power: avoid format string truncation warning
  Input: IMS: fix printf string overflow
  scsi: mylex: fix sysfs buffer lengths
  ALSA: aoa: avoid false-positive format truncation warning
  kbuild: enable -Wformat-truncation on clang

 drivers/input/misc/ims-pcu.c                  |  4 ++--
 drivers/net/ethernet/freescale/enetc/enetc.c  |  2 +-
 .../ethernet/mellanox/mlx5/core/esw/bridge.c  |  2 +-
 drivers/net/ethernet/qlogic/qed/qed_main.c    |  9 ++++---
 drivers/platform/surface/surface3_power.c     |  2 +-
 drivers/scsi/myrb.c                           | 20 ++++++++--------
 drivers/scsi/myrs.c                           | 24 +++++++++----------
 drivers/video/fbdev/sh_mobile_lcdcfb.c        |  2 +-
 scripts/Makefile.extrawarn                    |  2 ++
 sound/aoa/soundbus/i2sbus/core.c              |  2 +-
 10 files changed, 35 insertions(+), 34 deletions(-)

-- 
2.39.2

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Saeed Mahameed <saeedm@nvidia.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Ariel Elior <aelior@marvell.com>
Cc: Manish Chopra <manishc@marvell.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Maximilian Luz <luzmaximilian@gmail.com>
Cc: Hannes Reinecke <hare@kernel.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Bill Wendling <morbo@google.com>
Cc: Justin Stitt <justinstitt@google.com>
Cc: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-rdma@vger.kernel.org
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kbuild@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: alsa-devel@alsa-project.org
Cc: linux-sound@vger.kernel.org
Cc: llvm@lists.linux.dev


WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@kernel.org>
To: llvm@lists.linux.dev
Cc: "Hannes Reinecke" <hare@kernel.org>,
	"Vladimir Oltean" <vladimir.oltean@nxp.com>,
	linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
	"Jaroslav Kysela" <perex@perex.cz>,
	netdev@vger.kernel.org, "Bill Wendling" <morbo@google.com>,
	linux-scsi@vger.kernel.org, "Leon Romanovsky" <leon@kernel.org>,
	linux-rdma@vger.kernel.org, "Helge Deller" <deller@gmx.de>,
	linux-input@vger.kernel.org,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Ariel Elior" <aelior@marvell.com>,
	"Nicolas Schier" <nicolas@fjasle.eu>,
	"Arnd Bergmann" <arnd@arndb.de>,
	linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-sound@vger.kernel.org,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Hans de Goede" <hdegoede@redhat.com>,
	"Claudiu Manoil" <claudiu.manoil@nxp.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	platform-driver-x86@vger.kernel.org,
	"Manish Chopra" <manishc@marvell.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	"Saeed Mahameed" <saeedm@nvidia.com>,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Takashi Iwai" <tiwai@suse.com>,
	linux-kernel@vger.kernel.org,
	"Justin Stitt" <justinstitt@google.com>,
	"Johannes Berg" <johannes@sipsolutions.net>,
	alsa-devel@alsa-project.org,
	"Maximilian Luz" <luzmaximilian@gmail.com>,
	"Masahiro Yamada" <masahiroy@kernel.org>
Subject: [PATCH 0/9] enabled -Wformat-truncation for clang
Date: Tue, 26 Mar 2024 23:37:59 +0100	[thread overview]
Message-ID: <20240326223825.4084412-1-arnd@kernel.org> (raw)

From: Arnd Bergmann <arnd@arndb.de>

With randconfig build testing, I found only eight files that produce
warnings with clang when -Wformat-truncation is enabled. This means
we can just turn it on by default rather than only enabling it for
"make W=1".

Unfortunately, gcc produces a lot more warnings when the option
is enabled, so it's not yet possible to turn it on both both
compilers.

I hope that the patches can get picked up by platform maintainers
directly, so the final patch can go in later on.

     Arnd

Arnd Bergmann (9):
  fbdev: shmobile: fix snprintf truncation
  enetc: avoid truncating error message
  qed: avoid truncating work queue length
  mlx5: avoid truncating error message
  surface3_power: avoid format string truncation warning
  Input: IMS: fix printf string overflow
  scsi: mylex: fix sysfs buffer lengths
  ALSA: aoa: avoid false-positive format truncation warning
  kbuild: enable -Wformat-truncation on clang

 drivers/input/misc/ims-pcu.c                  |  4 ++--
 drivers/net/ethernet/freescale/enetc/enetc.c  |  2 +-
 .../ethernet/mellanox/mlx5/core/esw/bridge.c  |  2 +-
 drivers/net/ethernet/qlogic/qed/qed_main.c    |  9 ++++---
 drivers/platform/surface/surface3_power.c     |  2 +-
 drivers/scsi/myrb.c                           | 20 ++++++++--------
 drivers/scsi/myrs.c                           | 24 +++++++++----------
 drivers/video/fbdev/sh_mobile_lcdcfb.c        |  2 +-
 scripts/Makefile.extrawarn                    |  2 ++
 sound/aoa/soundbus/i2sbus/core.c              |  2 +-
 10 files changed, 35 insertions(+), 34 deletions(-)

-- 
2.39.2

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Saeed Mahameed <saeedm@nvidia.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Ariel Elior <aelior@marvell.com>
Cc: Manish Chopra <manishc@marvell.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Maximilian Luz <luzmaximilian@gmail.com>
Cc: Hannes Reinecke <hare@kernel.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Bill Wendling <morbo@google.com>
Cc: Justin Stitt <justinstitt@google.com>
Cc: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-rdma@vger.kernel.org
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kbuild@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: alsa-devel@alsa-project.org
Cc: linux-sound@vger.kernel.org
Cc: llvm@lists.linux.dev


             reply	other threads:[~2024-03-26 22:45 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-26 22:37 Arnd Bergmann [this message]
2024-03-26 22:37 ` [PATCH 0/9] enabled -Wformat-truncation for clang Arnd Bergmann
2024-03-26 22:38 ` [PATCH 1/9] fbdev: shmobile: fix snprintf truncation Arnd Bergmann
2024-03-26 22:42   ` Laurent Pinchart
2024-03-27  8:13   ` Helge Deller
2024-03-26 22:38 ` [PATCH 2/9] enetc: avoid truncating error message Arnd Bergmann
2024-03-26 22:38 ` [PATCH 3/9] qed: avoid truncating work queue length Arnd Bergmann
2024-03-27 14:04   ` [EXTERNAL] " Subbaraya Sundeep Bhatta
2024-03-27 15:34     ` Arnd Bergmann
2024-03-27 17:08       ` Subbaraya Sundeep Bhatta
2024-03-26 22:38 ` [PATCH 4/9] mlx5: avoid truncating error message Arnd Bergmann
2024-03-27 14:08   ` [EXTERNAL] " Subbaraya Sundeep Bhatta
2024-03-26 22:38 ` [PATCH 5/9] surface3_power: avoid format string truncation warning Arnd Bergmann
2024-03-26 23:05   ` Nathan Chancellor
2024-03-27 10:58     ` Andy Shevchenko
2024-04-01  6:24   ` Uwe Kleine-König
2024-03-26 22:38 ` [PATCH 6/9] Input: IMS: fix printf string overflow Arnd Bergmann
2024-03-28 20:29   ` Dmitry Torokhov
2024-03-26 22:38 ` [PATCH 7/9] scsi: mylex: fix sysfs buffer lengths Arnd Bergmann
2024-03-27  7:40   ` Hannes Reinecke
2024-03-26 22:38 ` [PATCH 8/9] ALSA: aoa: avoid false-positive format truncation warning Arnd Bergmann
2024-03-26 22:38   ` Arnd Bergmann
2024-03-27  9:54   ` Takashi Iwai
2024-03-27  9:54     ` Takashi Iwai
2024-03-26 22:38 ` [PATCH 9/9] kbuild: enable -Wformat-truncation on clang Arnd Bergmann
2024-03-27  0:47 ` [PATCH 0/9] enabled -Wformat-truncation for clang Jakub Kicinski
2024-03-27  0:47   ` Jakub Kicinski
2024-03-29 19:30 ` patchwork-bot+netdevbpf
2024-03-29 19:30   ` patchwork-bot+netdevbpf
2024-04-02  1:48 ` (subset) " Martin K. Petersen
2024-04-02  1:48   ` Martin K. Petersen

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