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misc: eeprom/idt_89hpesx: Constify 'struct bin_attribute'

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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/20241221-sysfs-const-bin_attr-misc-drivers-v2-7-ba5e79fe8771@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh
2024-12-21 15:48:13 +01:00
committed by Greg Kroah-Hartman
parent e588522da8
commit 6a43faaa59
1 changed files with 3 additions and 3 deletions
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6
drivers/misc/eeprom/idt_89hpesx.c
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@@ -847,7 +847,7 @@ static int idt_csr_read(struct idt_89hpesx_dev *pdev, u16 csraddr, u32 *data)
* @count: Number of bytes to write
*/
static ssize_t eeprom_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
const struct bin_attribute *attr,
char *buf, loff_t off, size_t count)
{
struct idt_89hpesx_dev *pdev;
@@ -871,7 +871,7 @@ static ssize_t eeprom_write(struct file *filp, struct kobject *kobj,
* @count: Number of bytes to write
*/
static ssize_t eeprom_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 idt_89hpesx_dev *pdev;
@@ -1017,7 +1017,7 @@ static ssize_t idt_dbgfs_csr_read(struct file *filep, char __user *ubuf,
* NOTE Size will be changed in compliance with OF node. EEPROM attribute will
* be read-only as well if the corresponding flag is specified in OF node.
*/
static BIN_ATTR_RW(eeprom, EEPROM_DEF_SIZE);
static const BIN_ATTR_RW(eeprom, EEPROM_DEF_SIZE);
/*
* csr_dbgfs_ops - CSR debugfs-node read/write operations