From patchwork Sun Nov 3 17:03:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13860525 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A30D218BBA0; Sun, 3 Nov 2024 17:04:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730653486; cv=none; b=nKWDBsfICSIolljhC0E/Loym9LOxb7xeod5AqsPsnWKiIXEkVd2rLuVE/QKT2FsmD1Oao/58OMhA4hFEpyvcA6ND3Mmrar4t1KnR35Uhxr1hbZWp9Tm1V58W54m+0HoKvnbqYoBKWZXQRveTPn47wypNXWfVIquf9CoyQ6Ongn8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730653486; c=relaxed/simple; bh=HJxCu3XdHEjI8+lqBeecXqpkPvzbQYLMTL9gfIshZu0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GfIBYTTlPJrgVJufegvukqEaItkzQnYktNyfbOo/Ev1GhlF9kO4pcuu3m/c8kjAk5kg6yoj/Us8bCGTR/zQ6MfV0+SGu5Ub1FGkKrO4KbCD/Sjx/fhA0XwcldNFqPmdKkS5ba3h+KQ5P/j2suW7unBv+PvnWFL1jddSCpf0HnL0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=T+Fg78/5; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="T+Fg78/5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1730653480; bh=HJxCu3XdHEjI8+lqBeecXqpkPvzbQYLMTL9gfIshZu0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=T+Fg78/5j1YHKzWIEqsis1G2Ppzr/F0lFE3JQ6fmNG4fGgVy7KnbdlxcobWFyBgOe jkolfvJyLrGkK8GoiN4eaM5NCqCinrPcA6iLoVM7T2YPhyup973YiLXogdpOOLmHoL RBhsm4yAEmhYXs0432ai6ypp8phm4XcAYsW/omHY= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Sun, 03 Nov 2024 17:03:34 +0000 Subject: [PATCH v2 05/10] sysfs: treewide: constify attribute callback of bin_is_visible() Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241103-sysfs-const-bin_attr-v2-5-71110628844c@weissschuh.net> References: <20241103-sysfs-const-bin_attr-v2-0-71110628844c@weissschuh.net> In-Reply-To: <20241103-sysfs-const-bin_attr-v2-0-71110628844c@weissschuh.net> To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Bjorn Helgaas , Srinivas Kandagatla , Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Xinhui Pan , David Airlie , Simona Vetter , Dennis Dalessandro , Jason Gunthorpe , Leon Romanovsky , Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Naveen Krishna Chatradhi , Carlos Bilbao , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , "David E. Box" , "James E.J. Bottomley" , "Martin K. Petersen" , Richard Henderson , Matt Turner , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Logan Gunthorpe , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui Cc: Dan Williams , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-cxl@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-mtd@lists.infradead.org, platform-driver-x86@vger.kernel.org, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, =?utf-8?q?Tho?= =?utf-8?q?mas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1730653468; l=10037; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=HJxCu3XdHEjI8+lqBeecXqpkPvzbQYLMTL9gfIshZu0=; b=q526adB7X5IWu5oD3aHXgNapKbQ68pIt0vtJJys1mqg9dJ5C24gfhoXCe8E0XMtccXzh7sleK t+OZuYX5ZorAZD3oVis4dvraeO9iEpIZNu3TrJnncQ08r3TMeL2GZ7J X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= The is_bin_visible() callbacks should not modify the struct bin_attribute passed as argument. Enforce this by marking the argument as const. As there are not many callback implementers perform this change throughout the tree at once. Signed-off-by: Thomas Weißschuh Acked-by: Jason Gunthorpe Acked-by: Ira Weiny Acked-by: Martin K. Petersen Acked-by: Bjorn Helgaas # drivers/pci Acked-by: Pratyush Yadav # for spi-nor Acked-by: Srinivas Kandagatla #nvmem --- drivers/cxl/port.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- drivers/infiniband/hw/qib/qib_sysfs.c | 2 +- drivers/mtd/spi-nor/sysfs.c | 2 +- drivers/nvmem/core.c | 3 ++- drivers/pci/pci-sysfs.c | 2 +- drivers/pci/vpd.c | 2 +- drivers/platform/x86/amd/hsmp.c | 2 +- drivers/platform/x86/intel/sdsi.c | 2 +- drivers/scsi/scsi_sysfs.c | 2 +- drivers/usb/core/sysfs.c | 2 +- include/linux/sysfs.h | 30 +++++++++++++++--------------- 12 files changed, 27 insertions(+), 26 deletions(-) diff --git a/drivers/cxl/port.c b/drivers/cxl/port.c index 9dc394295e1fcd1610813837b2f515b66995eb25..24041cf85cfbe6c54c467ac325e48c775562b938 100644 --- a/drivers/cxl/port.c +++ b/drivers/cxl/port.c @@ -173,7 +173,7 @@ static ssize_t CDAT_read(struct file *filp, struct kobject *kobj, static BIN_ATTR_ADMIN_RO(CDAT, 0); static umode_t cxl_port_bin_attr_is_visible(struct kobject *kobj, - struct bin_attribute *attr, int i) + const struct bin_attribute *attr, int i) { struct device *dev = kobj_to_dev(kobj); struct cxl_port *port = to_cxl_port(dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 0b28b2cf1517d130da01989df70b9dff6433edc4..c1c329eb920b52af100a93bdf00df450e25608c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -3999,7 +3999,7 @@ static umode_t amdgpu_flash_attr_is_visible(struct kobject *kobj, struct attribu } static umode_t amdgpu_bin_flash_attr_is_visible(struct kobject *kobj, - struct bin_attribute *attr, + const struct bin_attribute *attr, int idx) { struct device *dev = kobj_to_dev(kobj); diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c index 53ec7510e4ebfb144e79884ca7dd7d0c873bd8a7..ba2cd68b53e6c240f1afc65c64012c75ccf488e0 100644 --- a/drivers/infiniband/hw/qib/qib_sysfs.c +++ b/drivers/infiniband/hw/qib/qib_sysfs.c @@ -283,7 +283,7 @@ static struct bin_attribute *port_ccmgta_attributes[] = { }; static umode_t qib_ccmgta_is_bin_visible(struct kobject *kobj, - struct bin_attribute *attr, int n) + const struct bin_attribute *attr, int n) { struct qib_pportdata *ppd = qib_get_pportdata_kobj(kobj); diff --git a/drivers/mtd/spi-nor/sysfs.c b/drivers/mtd/spi-nor/sysfs.c index 96064e4babf01f6950c81586764386e7671cbf97..5e9eb268073d18e0a46089000f18a3200b4bf13d 100644 --- a/drivers/mtd/spi-nor/sysfs.c +++ b/drivers/mtd/spi-nor/sysfs.c @@ -87,7 +87,7 @@ static umode_t spi_nor_sysfs_is_visible(struct kobject *kobj, } static umode_t spi_nor_sysfs_is_bin_visible(struct kobject *kobj, - struct bin_attribute *attr, int n) + const struct bin_attribute *attr, int n) { struct spi_device *spi = to_spi_device(kobj_to_dev(kobj)); struct spi_mem *spimem = spi_get_drvdata(spi); diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 63370c76394ee9b8d514da074779617cef67c311..73e44d724f90f4cd8fe8cafb9fa0c0fb23078e61 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -298,7 +298,8 @@ static umode_t nvmem_bin_attr_get_umode(struct nvmem_device *nvmem) } static umode_t nvmem_bin_attr_is_visible(struct kobject *kobj, - struct bin_attribute *attr, int i) + const struct bin_attribute *attr, + int i) { struct device *dev = kobj_to_dev(kobj); struct nvmem_device *nvmem = to_nvmem_device(dev); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 040f01b2b999175e8d98b05851edc078bbabbe0d..13912940ed2bb66c0086e5bea9a3cb6417ac14dd 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -1326,7 +1326,7 @@ static struct bin_attribute *pci_dev_rom_attrs[] = { }; static umode_t pci_dev_rom_attr_is_visible(struct kobject *kobj, - struct bin_attribute *a, int n) + const struct bin_attribute *a, int n) { struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj)); diff --git a/drivers/pci/vpd.c b/drivers/pci/vpd.c index e4300f5f304f3ca55a657fd25a1fa5ed919737a7..a469bcbc0da7f7677485c7f999f8dfb58b8ae8a3 100644 --- a/drivers/pci/vpd.c +++ b/drivers/pci/vpd.c @@ -325,7 +325,7 @@ static struct bin_attribute *vpd_attrs[] = { }; static umode_t vpd_attr_is_visible(struct kobject *kobj, - struct bin_attribute *a, int n) + const struct bin_attribute *a, int n) { struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj)); diff --git a/drivers/platform/x86/amd/hsmp.c b/drivers/platform/x86/amd/hsmp.c index 8fcf38eed7f00ee01aade6e3e55e20402458d5aa..8f00850c139fa8d419bc1c140c1832bf84b2c3bd 100644 --- a/drivers/platform/x86/amd/hsmp.c +++ b/drivers/platform/x86/amd/hsmp.c @@ -620,7 +620,7 @@ static int hsmp_get_tbl_dram_base(u16 sock_ind) } static umode_t hsmp_is_sock_attr_visible(struct kobject *kobj, - struct bin_attribute *battr, int id) + const struct bin_attribute *battr, int id) { if (plat_dev.proto_ver == HSMP_PROTO_VER6) return battr->attr.mode; diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c index 9d137621f0e6e7a23be0e0bbc6175c51c403169f..33f33b1070fdc949c1373251c3bca4234d9da119 100644 --- a/drivers/platform/x86/intel/sdsi.c +++ b/drivers/platform/x86/intel/sdsi.c @@ -541,7 +541,7 @@ static struct bin_attribute *sdsi_bin_attrs[] = { }; static umode_t -sdsi_battr_is_visible(struct kobject *kobj, struct bin_attribute *attr, int n) +sdsi_battr_is_visible(struct kobject *kobj, const struct bin_attribute *attr, int n) { struct device *dev = kobj_to_dev(kobj); struct sdsi_priv *priv = dev_get_drvdata(dev); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 32f94db6d6bf5d2bd289c1a121da7ffc6a7cb2ff..f3a1ecb42128a2b221ca5c362e041eb59dba0f20 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1274,7 +1274,7 @@ static umode_t scsi_sdev_attr_is_visible(struct kobject *kobj, } static umode_t scsi_sdev_bin_attr_is_visible(struct kobject *kobj, - struct bin_attribute *attr, int i) + const struct bin_attribute *attr, int i) { struct device *dev = kobj_to_dev(kobj); struct scsi_device *sdev = to_scsi_device(dev); diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 61b6d978892c799e213018bed22d9fb12a19d429..b4cba23831acd2d7d395b9f7683cd3ee3a8623c8 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -925,7 +925,7 @@ static struct bin_attribute *dev_bin_attrs[] = { }; static umode_t dev_bin_attrs_are_visible(struct kobject *kobj, - struct bin_attribute *a, int n) + const struct bin_attribute *a, int n) { struct device *dev = kobj_to_dev(kobj); struct usb_device *udev = to_usb_device(dev); diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 4746cccb95898b24df6f53de9421ea7649b5568f..d1b22d56198b55ee39fe4c4fc994f5b753641992 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -101,7 +101,7 @@ struct attribute_group { umode_t (*is_visible)(struct kobject *, struct attribute *, int); umode_t (*is_bin_visible)(struct kobject *, - struct bin_attribute *, int); + const struct bin_attribute *, int); size_t (*bin_size)(struct kobject *, const struct bin_attribute *, int); @@ -199,22 +199,22 @@ struct attribute_group { * attributes, the group visibility is determined by the function * specified to is_visible() not is_bin_visible() */ -#define DEFINE_SYSFS_BIN_GROUP_VISIBLE(name) \ - static inline umode_t sysfs_group_visible_##name( \ - struct kobject *kobj, struct bin_attribute *attr, int n) \ - { \ - if (n == 0 && !name##_group_visible(kobj)) \ - return SYSFS_GROUP_INVISIBLE; \ - return name##_attr_visible(kobj, attr, n); \ +#define DEFINE_SYSFS_BIN_GROUP_VISIBLE(name) \ + static inline umode_t sysfs_group_visible_##name( \ + struct kobject *kobj, const struct bin_attribute *attr, int n) \ + { \ + if (n == 0 && !name##_group_visible(kobj)) \ + return SYSFS_GROUP_INVISIBLE; \ + return name##_attr_visible(kobj, attr, n); \ } -#define DEFINE_SIMPLE_SYSFS_BIN_GROUP_VISIBLE(name) \ - static inline umode_t sysfs_group_visible_##name( \ - struct kobject *kobj, struct bin_attribute *a, int n) \ - { \ - if (n == 0 && !name##_group_visible(kobj)) \ - return SYSFS_GROUP_INVISIBLE; \ - return a->mode; \ +#define DEFINE_SIMPLE_SYSFS_BIN_GROUP_VISIBLE(name) \ + static inline umode_t sysfs_group_visible_##name( \ + struct kobject *kobj, const struct bin_attribute *a, int n) \ + { \ + if (n == 0 && !name##_group_visible(kobj)) \ + return SYSFS_GROUP_INVISIBLE; \ + return a->mode; \ } #define SYSFS_GROUP_VISIBLE(fn) sysfs_group_visible_##fn