Re: [PATCH v2 05/10] sysfs: treewide: constify attribute callback of bin_is_visible()

Ilpo Järvinen
2024-11-04T13:25:36Z

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On Sun, 3 Nov 2024, Thomas Weißschuh wrote:

> 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 <linux@weissschuh.net>
> ---
> 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/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)

Hi Thomas,

This driver is reworked in pdx86/for-next.

--
i.

> {
> 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);