diff mbox series

[03/10] HID: roccat: common, konepure, ryos, savu: constify 'struct bin_attribute'

Message ID 20241202-sysfs-const-bin_attr-hid-v1-3-16369423a48a@weissschuh.net (mailing list archive)
State New
Delegated to: Jiri Kosina
Headers show
Series HID: constify 'struct bin_attribute' | expand

Commit Message

Thomas Weißschuh Dec. 2, 2024, 7:01 p.m. UTC 
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>
---
 drivers/hid/hid-roccat-common.h   | 22 +++++++++++-----------
 drivers/hid/hid-roccat-konepure.c |  4 ++--
 drivers/hid/hid-roccat-ryos.c     |  4 ++--
 drivers/hid/hid-roccat-savu.c     |  4 ++--
 4 files changed, 17 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/drivers/hid/hid-roccat-common.h b/drivers/hid/hid-roccat-common.h
index 839ddfd931f076a2c3c2ab3a6d8186004273f2e1..0f9a2db04df96aaa2fe87adc00ec14f8fa30ed82 100644
--- a/drivers/hid/hid-roccat-common.h
+++ b/drivers/hid/hid-roccat-common.h
@@ -46,8 +46,8 @@  ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \
 static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \
 			SIZE, COMMAND); \
@@ -55,8 +55,8 @@  static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \
 
 #define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \
 static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \
 			SIZE, COMMAND); \
@@ -68,27 +68,27 @@  ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE)
 
 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \
 ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \
-static struct bin_attribute bin_attr_ ## thingy = { \
+static const struct bin_attribute bin_attr_ ## thingy = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = SIZE, \
-	.read = roccat_common2_sysfs_read_ ## thingy, \
-	.write = roccat_common2_sysfs_write_ ## thingy \
+	.read_new = roccat_common2_sysfs_read_ ## thingy, \
+	.write_new = roccat_common2_sysfs_write_ ## thingy \
 }
 
 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \
 ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \
-static struct bin_attribute bin_attr_ ## thingy = { \
+static const struct bin_attribute bin_attr_ ## thingy = { \
 	.attr = { .name = #thingy, .mode = 0440 }, \
 	.size = SIZE, \
-	.read = roccat_common2_sysfs_read_ ## thingy, \
+	.read_new = roccat_common2_sysfs_read_ ## thingy, \
 }
 
 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \
 ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \
-static struct bin_attribute bin_attr_ ## thingy = { \
+static const struct bin_attribute bin_attr_ ## thingy = { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
 	.size = SIZE, \
-	.write = roccat_common2_sysfs_write_ ## thingy \
+	.write_new = roccat_common2_sysfs_write_ ## thingy \
 }
 
 #endif
diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c
index beca8aef8bbb2987baabdb588fb0edcad5325473..7fb705789d4eca6c9eeab9b2fc2a1f615bad747e 100644
--- a/drivers/hid/hid-roccat-konepure.c
+++ b/drivers/hid/hid-roccat-konepure.c
@@ -47,7 +47,7 @@  ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10);
 
-static struct bin_attribute *konepure_bin_attrs[] = {
+static const struct bin_attribute *const konepure_bin_attrs[] = {
 	&bin_attr_actual_profile,
 	&bin_attr_control,
 	&bin_attr_info,
@@ -62,7 +62,7 @@  static struct bin_attribute *konepure_bin_attrs[] = {
 };
 
 static const struct attribute_group konepure_group = {
-	.bin_attrs = konepure_bin_attrs,
+	.bin_attrs_new = konepure_bin_attrs,
 };
 
 static const struct attribute_group *konepure_groups[] = {
diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c
index 57714a4525e2ad01b8599db8325b22b57c297158..902dac1e714e16936d8ab7881b183b732cb1c110 100644
--- a/drivers/hid/hid-roccat-ryos.c
+++ b/drivers/hid/hid-roccat-ryos.c
@@ -47,7 +47,7 @@  ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(stored_lights, 0x17, 0x0566);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(custom_lights, 0x18, 0x14);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light_macro, 0x19, 0x07d2);
 
-static struct bin_attribute *ryos_bin_attrs[] = {
+static const struct bin_attribute *const ryos_bin_attrs[] = {
 	&bin_attr_control,
 	&bin_attr_profile,
 	&bin_attr_keys_primary,
@@ -70,7 +70,7 @@  static struct bin_attribute *ryos_bin_attrs[] = {
 };
 
 static const struct attribute_group ryos_group = {
-	.bin_attrs = ryos_bin_attrs,
+	.bin_attrs_new = ryos_bin_attrs,
 };
 
 static const struct attribute_group *ryos_groups[] = {
diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c
index 2baa47a0efc527086128b39130dde9535eb541c0..7399b8ffb5c7cae8110c8fb1a93f8b645f54f2eb 100644
--- a/drivers/hid/hid-roccat-savu.c
+++ b/drivers/hid/hid-roccat-savu.c
@@ -30,7 +30,7 @@  ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x8, 0x0823);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x9, 0x08);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0xc, 0x04);
 
-static struct bin_attribute *savu_bin_attrs[] = {
+static const struct bin_attribute *const savu_bin_attrs[] = {
 	&bin_attr_control,
 	&bin_attr_profile,
 	&bin_attr_general,
@@ -42,7 +42,7 @@  static struct bin_attribute *savu_bin_attrs[] = {
 };
 
 static const struct attribute_group savu_group = {
-	.bin_attrs = savu_bin_attrs,
+	.bin_attrs_new = savu_bin_attrs,
 };
 
 static const struct attribute_group *savu_groups[] = {