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authorThomas Weißschuh <linux@weissschuh.net>2024-12-22 21:00:43 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-21 09:20:31 +0100
commitf9c883f0df2765c0cb1db3c306a36787ccb2055a (patch)
tree8a2be95d2f3064468108dbe91de8264d98e12f2a
parentf800cc58598eb4564cabcc4129d5d1a6f7f598b4 (diff)
Input: goodix-berlin - constify 'struct bin_attribute'
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>
-rw-r--r--drivers/input/touchscreen/goodix_berlin_core.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/goodix_berlin_core.c b/drivers/input/touchscreen/goodix_berlin_core.c
index 3fc03cf0ca23..9b53d98055e9 100644
--- a/drivers/input/touchscreen/goodix_berlin_core.c
+++ b/drivers/input/touchscreen/goodix_berlin_core.c
@@ -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[] = {