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Input: goodix-berlin - 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/20241222-sysfs-const-bin_attr-input-v1-1-1229dbe5ae71@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh 2024-12-22 21:00:43 +01:00 • committed by Greg Kroah-Hartman
parent f800cc5859
commit f9c883f0df
1 changed files with 5 additions and 5 deletions
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10
drivers/input/touchscreen/goodix_berlin_core.c
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@ -673,7 +673,7 @@ static void goodix_berlin_power_off_act(void *data)
}
static ssize_t registers_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
@ -686,7 +686,7 @@ static ssize_t registers_read(struct file *filp, struct kobject *kobj,
}
static ssize_t registers_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
@ -698,15 +698,15 @@ static ssize_t registers_write(struct file *filp, struct kobject *kobj,
return error ? error : count;
}
static BIN_ATTR_ADMIN_RW(registers, 0);
static const BIN_ATTR_ADMIN_RW(registers, 0);
static struct bin_attribute *goodix_berlin_bin_attrs[] = {
static const struct bin_attribute *const goodix_berlin_bin_attrs[] = {
&bin_attr_registers,
NULL,
};
static const struct attribute_group goodix_berlin_attr_group = {
.bin_attrs = goodix_berlin_bin_attrs,
.bin_attrs_new = goodix_berlin_bin_attrs,
};
const struct attribute_group *goodix_berlin_groups[] = {