diff mbox series

[11/11] scsi: qla4xxx: Constify 'struct bin_attribute'

Message ID 20241216-sysfs-const-bin_attr-scsi-v1-11-f0a5e54b3437@weissschuh.net
State New
Headers show
Series scsi: Constify 'struct bin_attribute' | expand

Commit Message

Thomas Weißschuh Dec. 16, 2024, 11:29 a.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/scsi/qla4xxx/ql4_attr.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/qla4xxx/ql4_attr.c b/drivers/scsi/qla4xxx/ql4_attr.c
index abfa6ef604800aefef3dbc757d656b7dc20ede8c..e3f85d6ea0db25d5674ca69475af31a4267e2fdb 100644
--- a/drivers/scsi/qla4xxx/ql4_attr.c
+++ b/drivers/scsi/qla4xxx/ql4_attr.c
@@ -10,7 +10,7 @@ 
 
 static ssize_t
 qla4_8xxx_sysfs_read_fw_dump(struct file *filep, struct kobject *kobj,
-			     struct bin_attribute *ba, char *buf, loff_t off,
+			     const struct bin_attribute *ba, char *buf, loff_t off,
 			     size_t count)
 {
 	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
@@ -28,7 +28,7 @@  qla4_8xxx_sysfs_read_fw_dump(struct file *filep, struct kobject *kobj,
 
 static ssize_t
 qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj,
-			      struct bin_attribute *ba, char *buf, loff_t off,
+			      const struct bin_attribute *ba, char *buf, loff_t off,
 			      size_t count)
 {
 	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
@@ -104,19 +104,19 @@  qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj,
 	return count;
 }
 
-static struct bin_attribute sysfs_fw_dump_attr = {
+static const struct bin_attribute sysfs_fw_dump_attr = {
 	.attr = {
 		.name = "fw_dump",
 		.mode = S_IRUSR | S_IWUSR,
 	},
 	.size = 0,
-	.read = qla4_8xxx_sysfs_read_fw_dump,
-	.write = qla4_8xxx_sysfs_write_fw_dump,
+	.read_new = qla4_8xxx_sysfs_read_fw_dump,
+	.write_new = qla4_8xxx_sysfs_write_fw_dump,
 };
 
 static struct sysfs_entry {
 	char *name;
-	struct bin_attribute *attr;
+	const struct bin_attribute *attr;
 } bin_file_entries[] = {
 	{ "fw_dump", &sysfs_fw_dump_attr },
 	{ NULL },