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power: supply: ds2760: constify 'struct bin_attribute'

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The sysfs core now allows instances of 'struct bin_attribute' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241202-sysfs-const-bin_attr-psy-v1-1-f846430b8b66@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Thomas Weißschuh 2024-12-02 20:02:19 +01:00 committed by Sebastian Reichel
parent 40384c840e
commit fc19758891
1 changed files with 4 additions and 4 deletions
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8
drivers/power/supply/ds2760_battery.c
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@ -195,22 +195,22 @@ static int w1_ds2760_recall_eeprom(struct device *dev, int addr)
}
static ssize_t w1_slave_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
const struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
return w1_ds2760_read(dev, buf, off, count);
}
static BIN_ATTR_RO(w1_slave, DS2760_DATA_SIZE);
static const BIN_ATTR_RO(w1_slave, DS2760_DATA_SIZE);
static struct bin_attribute *w1_ds2760_bin_attrs[] = {
static const struct bin_attribute *const w1_ds2760_bin_attrs[] = {
&bin_attr_w1_slave,
NULL,
};
static const struct attribute_group w1_ds2760_group = {
.bin_attrs = w1_ds2760_bin_attrs,
.bin_attrs_new = w1_ds2760_bin_attrs,
};
static const struct attribute_group *w1_ds2760_groups[] = {