module: sysfs: Drop member 'module_sect_attrs::nsections'

The member is only used to iterate over all attributes in
free_sect_attrs(). However the attribute group can already be used for
that. Use the group and drop 'nsections'.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-1-e267275f0f37@weissschuh.net
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
This commit is contained in:
Thomas Weißschuh 2024-12-27 14:23:20 +01:00 committed by Petr Pavlu
parent 25aa761160
commit 0dea980a17

View File

@ -26,7 +26,6 @@ struct module_sect_attr {
struct module_sect_attrs {
struct attribute_group grp;
unsigned int nsections;
struct module_sect_attr attrs[];
};
@ -62,10 +61,10 @@ static ssize_t module_sect_read(struct file *file, struct kobject *kobj,
static void free_sect_attrs(struct module_sect_attrs *sect_attrs)
{
unsigned int section;
struct bin_attribute **bin_attr;
for (section = 0; section < sect_attrs->nsections; section++)
kfree(sect_attrs->attrs[section].battr.attr.name);
for (bin_attr = sect_attrs->grp.bin_attrs; *bin_attr; bin_attr++)
kfree((*bin_attr)->attr.name);
kfree(sect_attrs);
}
@ -92,7 +91,6 @@ static int add_sect_attrs(struct module *mod, const struct load_info *info)
sect_attrs->grp.name = "sections";
sect_attrs->grp.bin_attrs = (void *)sect_attrs + size[0];
sect_attrs->nsections = 0;
sattr = &sect_attrs->attrs[0];
gattr = &sect_attrs->grp.bin_attrs[0];
for (i = 0; i < info->hdr->e_shnum; i++) {
@ -108,7 +106,6 @@ static int add_sect_attrs(struct module *mod, const struct load_info *info)
ret = -ENOMEM;
goto out;
}
sect_attrs->nsections++;
sattr->battr.read = module_sect_read;
sattr->battr.size = MODULE_SECT_READ_SIZE;
sattr->battr.attr.mode = 0400;