From d80286711e4d7e3aa4c86e179612d712441d4e24 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= Date: Mon, 2 Dec 2024 20:01:33 +0100 Subject: [PATCH] HID: core: constify 'struct bin_attribute' MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e35cf426c16f7..306eaaf444c2d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2175,7 +2175,7 @@ static bool hid_hiddev(struct hid_device *hdev) static ssize_t report_descriptor_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, + const struct bin_attribute *attr, char *buf, loff_t off, size_t count) { struct device *dev = kobj_to_dev(kobj); @@ -2201,7 +2201,7 @@ country_show(struct device *dev, struct device_attribute *attr, return sprintf(buf, "%02x\n", hdev->country & 0xff); } -static BIN_ATTR_RO(report_descriptor, HID_MAX_DESCRIPTOR_SIZE); +static const BIN_ATTR_RO(report_descriptor, HID_MAX_DESCRIPTOR_SIZE); static const DEVICE_ATTR_RO(country); @@ -2793,13 +2793,13 @@ static struct attribute *hid_dev_attrs[] = { &dev_attr_modalias.attr, NULL, }; -static struct bin_attribute *hid_dev_bin_attrs[] = { +static const struct bin_attribute *hid_dev_bin_attrs[] = { &bin_attr_report_descriptor, NULL }; static const struct attribute_group hid_dev_group = { .attrs = hid_dev_attrs, - .bin_attrs = hid_dev_bin_attrs, + .bin_attrs_new = hid_dev_bin_attrs, }; __ATTRIBUTE_GROUPS(hid_dev); -- 2.47.3