diff mbox series

[net-next] ptp: ocp: constify 'struct bin_attribute'

Message ID 20241222-sysfs-const-bin_attr-ptp-v1-1-5c1f3ee246fb@weissschuh.net (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series [net-next] ptp: ocp: constify 'struct bin_attribute' | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 2 this patch: 2
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
netdev/checkpatch warning CHECK: Please use a blank line after function/struct/union/enum declarations
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-12-23--00-00 (tests: 881)

Commit Message

Thomas Weißschuh Dec. 22, 2024, 8:08 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/ptp/ptp_ocp.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)


---
base-commit: bcde95ce32b666478d6737219caa4f8005a8f201
change-id: 20241222-sysfs-const-bin_attr-ptp-7aec7d5332a8

Best regards,
diff mbox series

Patch

diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index 5feecaadde8e05a2a2bb462094434e47e5336400..7f08c70d81230530fda459eefa9b7098dcbba79f 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -3692,7 +3692,7 @@  DEVICE_FREQ_GROUP(freq4, 3);
 
 static ssize_t
 disciplining_config_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 ptp_ocp *bp = dev_get_drvdata(kobj_to_dev(kobj));
@@ -3727,7 +3727,7 @@  disciplining_config_read(struct file *filp, struct kobject *kobj,
 
 static ssize_t
 disciplining_config_write(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 ptp_ocp *bp = dev_get_drvdata(kobj_to_dev(kobj));
@@ -3750,11 +3750,11 @@  disciplining_config_write(struct file *filp, struct kobject *kobj,
 
 	return err;
 }
-static BIN_ATTR_RW(disciplining_config, OCP_ART_CONFIG_SIZE);
+static const BIN_ATTR_RW(disciplining_config, OCP_ART_CONFIG_SIZE);
 
 static ssize_t
 temperature_table_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 ptp_ocp *bp = dev_get_drvdata(kobj_to_dev(kobj));
@@ -3789,7 +3789,7 @@  temperature_table_read(struct file *filp, struct kobject *kobj,
 
 static ssize_t
 temperature_table_write(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 ptp_ocp *bp = dev_get_drvdata(kobj_to_dev(kobj));
@@ -3812,7 +3812,7 @@  temperature_table_write(struct file *filp, struct kobject *kobj,
 
 	return err;
 }
-static BIN_ATTR_RW(temperature_table, OCP_ART_TEMP_TABLE_SIZE);
+static const BIN_ATTR_RW(temperature_table, OCP_ART_TEMP_TABLE_SIZE);
 
 static struct attribute *fb_timecard_attrs[] = {
 	&dev_attr_serialnum.attr,
@@ -3867,7 +3867,7 @@  static struct attribute *art_timecard_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *bin_art_timecard_attrs[] = {
+static const struct bin_attribute *const bin_art_timecard_attrs[] = {
 	&bin_attr_disciplining_config,
 	&bin_attr_temperature_table,
 	NULL,
@@ -3875,7 +3875,7 @@  static struct bin_attribute *bin_art_timecard_attrs[] = {
 
 static const struct attribute_group art_timecard_group = {
 	.attrs = art_timecard_attrs,
-	.bin_attrs = bin_art_timecard_attrs,
+	.bin_attrs_new = bin_art_timecard_attrs,
 };
 
 static const struct ocp_attr_group art_timecard_groups[] = {