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kbuild: do not quote string values in include/config/auto.conf The previous commit fixed up all shell scripts to not include include/config/auto.conf. Now that include/config/auto.conf is only included by Makefiles, we can change it into a more Make-friendly form. Previously, Kconfig output string values enclosed with double-quotes (both in the .config and include/config/auto.conf): CONFIG_X="foo bar" Unlike shell, Make handles double-quotes (and single-quotes as well) verbatim. We must rip them off when used. There are some patterns: [1] $(patsubst "%",%,$(CONFIG_X)) [2] $(CONFIG_X:"%"=%) [3] $(subst ",,$(CONFIG_X)) [4] $(shell echo $(CONFIG_X)) These are not only ugly, but also fragile. [1] and [2] do not work if the value contains spaces, like CONFIG_X=" foo bar " [3] does not work correctly if the value contains double-quotes like CONFIG_X="foo\"bar" [4] seems to work better, but has a cost of forking a process. Anyway, quoted strings were always PITA for our Makefiles. This commit changes Kconfig to stop quoting in include/config/auto.conf. These are the string type symbols referenced in Makefiles or scripts: ACPI_CUSTOM_DSDT_FILE ARC_BUILTIN_DTB_NAME ARC_TUNE_MCPU BUILTIN_DTB_SOURCE CC_IMPLICIT_FALLTHROUGH CC_VERSION_TEXT CFG80211_EXTRA_REGDB_KEYDIR EXTRA_FIRMWARE EXTRA_FIRMWARE_DIR EXTRA_TARGETS H8300_BUILTIN_DTB INITRAMFS_SOURCE LOCALVERSION MODULE_SIG_HASH MODULE_SIG_KEY NDS32_BUILTIN_DTB NIOS2_DTB_SOURCE OPENRISC_BUILTIN_DTB SOC_CANAAN_K210_DTB_SOURCE SYSTEM_BLACKLIST_HASH_LIST SYSTEM_REVOCATION_KEYS SYSTEM_TRUSTED_KEYS TARGET_CPU UNUSED_KSYMS_WHITELIST XILINX_MICROBLAZE0_FAMILY XILINX_MICROBLAZE0_HW_VER XTENSA_VARIANT_NAME I checked them one by one, and fixed up the code where necessary. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> | 4 年前 | |
firmware_loader: rework crypto dependencies The crypto dependencies for the firmwware loader are incomplete, in particular a built-in FW_LOADER fails to link against a modular crypto hash driver: ld.lld: error: undefined symbol: crypto_alloc_shash ld.lld: error: undefined symbol: crypto_shash_digest ld.lld: error: undefined symbol: crypto_destroy_tfm >>> referenced by main.c >>> drivers/base/firmware_loader/main.o:(fw_log_firmware_info) in archive vmlinux.a Rework this to use the usual 'select' from the driver module, to respect the built-in vs module dependencies, and add a more verbose crypto dependency to the debug option to prevent configurations that lead to a link failure. Fixes: 02fe26f25325 ("firmware_loader: Add debug message with checksum for FW file") Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20230414080329.76176-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 3 年前 | |
firmware_loader: Add firmware-upload support Extend the firmware subsystem to support a persistent sysfs interface that userspace may use to initiate a firmware update. For example, FPGA based PCIe cards load firmware and FPGA images from local FLASH when the card boots. The images in FLASH may be updated with new images provided by the user at his/her convenience. A device driver may call firmware_upload_register() to expose persistent "loading" and "data" sysfs files. These files are used in the same way as the fallback sysfs "loading" and "data" files. When 0 is written to "loading" to complete the write of firmware data, the data is transferred to the lower-level driver using pre-registered call-back functions. The data transfer is done in the context of a kernel worker thread. Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Tianfei zhang <tianfei.zhang@intel.com> Tested-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220421212204.36052-5-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 4 年前 | |
firmware_loader: Split sysfs support from fallback In preparation for sharing the "loading" and "data" sysfs nodes with the new firmware upload support, split out sysfs functionality from fallback.c and fallback.h into sysfs.c and sysfs.h. This includes the firmware class driver code that is associated with the sysfs files and the fw_fallback_config support for the timeout sysfs node. CONFIG_FW_LOADER_SYSFS is created and is selected by CONFIG_FW_LOADER_USER_HELPER in order to include sysfs.o in firmware_class-objs. This is mostly just a code reorganization. There are a few symbols that change in scope, and these can be identified by looking at the header file changes. A few white-space warnings from checkpatch are also addressed in this patch. Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Tianfei zhang <tianfei.zhang@intel.com> Tested-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220421212204.36052-4-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 4 年前 | |
firmware_loader: Split sysfs support from fallback In preparation for sharing the "loading" and "data" sysfs nodes with the new firmware upload support, split out sysfs functionality from fallback.c and fallback.h into sysfs.c and sysfs.h. This includes the firmware class driver code that is associated with the sysfs files and the fw_fallback_config support for the timeout sysfs node. CONFIG_FW_LOADER_SYSFS is created and is selected by CONFIG_FW_LOADER_USER_HELPER in order to include sysfs.o in firmware_class-objs. This is mostly just a code reorganization. There are a few symbols that change in scope, and these can be identified by looking at the header file changes. A few white-space warnings from checkpatch are also addressed in this patch. Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Tianfei zhang <tianfei.zhang@intel.com> Tested-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220421212204.36052-4-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 4 年前 | |
firmware: Store opt_flags in fw_priv Instead of passing opt_flags around so much, store it in the private structure so it can be examined by internals without needing to add more arguments to functions. Co-developed-by: Scott Branden <scott.branden@broadcom.com> Signed-off-by: Scott Branden <scott.branden@broadcom.com> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20201002173828.2099543-15-keescook@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 5 年前 | |
firmware_loader: move firmware sysctl to its own files Patch series "sysctl: 3rd set of kernel/sysctl cleanups", v2. This is the third set of patches to help address cleaning the kitchen seink in kernel/sysctl.c and to move sysctls away to where they are actually implemented / used. This patch (of 8): kernel/sysctl.c is a kitchen sink where everyone leaves their dirty dishes, this makes it very difficult to maintain. To help with this maintenance let's start by moving sysctls to places where they actually belong. The proc sysctl maintainers do not want to know what sysctl knobs you wish to add for your own piece of code, we just care about the core logic. So move the firmware configuration sysctl table to the only place where it is used, and make it clear that if sysctls are disabled this is not used. [akpm@linux-foundation.org: export register_firmware_config_sysctl and unregister_firmware_config_sysctl to modules] [akpm@linux-foundation.org: use EXPORT_SYMBOL_NS_GPL instead] [sfr@canb.auug.org.au: fix that so it compiles] Link: https://lkml.kernel.org/r/20211201160626.401d828d@canb.auug.org.au [mcgrof@kernel.org: major commit log update to justify the move] Link: https://lkml.kernel.org/r/20211124231435.1445213-1-mcgrof@kernel.org Link: https://lkml.kernel.org/r/20211124231435.1445213-2-mcgrof@kernel.org Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Kees Cook <keescook@chromium.org> Cc: Iurii Zaikin <yzaikin@google.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Stephen Kitt <steve@sk2.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Petr Mladek <pmladek@suse.com> Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: John Ogness <john.ogness@linutronix.de> Cc: Douglas Gilbert <dgilbert@interlog.com> Cc: James E.J. Bottomley <jejb@linux.ibm.com> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Lukas Middendorf <kernel@tuxforce.de> Cc: Antti Palosaari <crope@iki.fi> Cc: Amir Goldstein <amir73il@gmail.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Clemens Ladisch <clemens@ladisch.de> Cc: David Airlie <airlied@linux.ie> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Jan Kara <jack@suse.cz> Cc: Joel Becker <jlbec@evilplan.org> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Julia Lawall <julia.lawall@inria.fr> Cc: Mark Fasheh <mark@fasheh.com> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Phillip Potter <phil@philpotter.co.uk> Cc: Qing Wang <wangqing@vivo.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Sebastian Reichel <sre@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 4 年前 | |
firmware_loader: remove #include <generated/utsrelease.h> utsrelease.h is potentially generated on each build. By removing this unused include we can get rid of some spurious recompilations. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Russ Weight <russell.h.weight@intel.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> | 3 年前 | |
firmware_loader: Fix possible resource leak in fw_log_firmware_info() stable inclusion from stable-6.6.64 commit 789a72498d32f88d24371c10985aceb46397056c category: bugfix issue: #IBE7K0 CVE: NA Signed-off-by: zyf1116 <zhouyongfei3@huawei.com> --------------------------------------- [ Upstream commit 369a9c046c2fdfe037f05b43b84c386bdbccc103 ] The alg instance should be released under the exception path, otherwise there may be resource leak here. To mitigate this, free the alg instance with crypto_free_shash when kmalloc fails. Fixes: 02fe26f25325 ("firmware_loader: Add debug message with checksum for FW file") Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> Reviewed-by: Russ Weight <russ.weight@linux.dev> Link: https://lore.kernel.org/r/20241016110335.3677924-1-cuigaosheng1@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: zyf1116 <zhouyongfei3@huawei.com> | 1 年前 | |
driver core: class: mark the struct class for sysfs callbacks as constant struct class should never be modified in a sysfs callback as there is nothing in the structure to modify, and frankly, the structure is almost never used in a sysfs callback, so mark it as constant to allow struct class to be moved to read-only memory. While we are touching all class sysfs callbacks also mark the attribute as constant as it can not be modified. The bonding code still uses this structure so it can not be removed from the function callbacks. Cc: "David S. Miller" <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Bartosz Golaszewski <brgl@bgdev.pl> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Namjae Jeon <linkinjeon@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Russ Weight <russell.h.weight@intel.com> Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Steve French <sfrench@samba.org> Cc: Vignesh Raghavendra <vigneshr@ti.com> Cc: linux-cifs@vger.kernel.org Cc: linux-gpio@vger.kernel.org Cc: linux-mtd@lists.infradead.org Cc: linux-rdma@vger.kernel.org Cc: linux-s390@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: netdev@vger.kernel.org Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Link: https://lore.kernel.org/r/20230325084537.3622280-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 3 年前 | |
firmware_loader: fix up to_fw_sysfs() to preserve const to_fw_sysfs() was changed in commit 23680f0b7d7f ("driver core: make struct class.dev_uevent() take a const *") to pass in a const pointer but not pass it back out to handle some changes in the driver core. That isn't the best idea as it could cause problems if used incorrectly, so switch to use the container_of_const() macro instead which will preserve the const status of the pointer and enforce it by the compiler. Fixes: 23680f0b7d7f ("driver core: make struct class.dev_uevent() take a const *") Cc: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Acked-by: Russ Weight <russell.h.weight@intel.com> Acked-by: Rafael J. Wysocki <rafael@kernel.org> Link: https://lore.kernel.org/r/20221205121206.166576-4-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 3 年前 | |
firmware_loader: Fix memory leak in firmware upload In the case of firmware-upload, an instance of struct fw_upload is allocated in firmware_upload_register(). This data needs to be freed in fw_dev_release(). Create a new fw_upload_free() function in sysfs_upload.c to handle the firmware-upload specific memory frees and incorporate the missing kfree call for the fw_upload structure. Fixes: 97730bbb242c ("firmware_loader: Add firmware-upload support") Cc: stable <stable@kernel.org> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220831002518.465274-1-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 3 年前 | |
firmware_loader: Move definitions from sysfs_upload.h to sysfs.h Move definitions required by sysfs.c from sysfs_upload.h to sysfs.h so that sysfs.c does not need to include sysfs_upload.h. Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220426200356.126085-3-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 4 年前 |
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