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scsi: arcmsr: 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/20241216-sysfs-const-bin_attr-scsi-v1-3-f0a5e54b3437@weissschuh.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Thomas Weißschuh 2024-12-16 12:29:10 +01:00 committed by Martin K. Petersen
parent 1cf448bd2e
commit 3e72fc051d
1 changed files with 6 additions and 6 deletions
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12
drivers/scsi/arcmsr/arcmsr_attr.c
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@ -60,7 +60,7 @@
static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp,
struct kobject *kobj,
struct bin_attribute *bin,
const struct bin_attribute *bin,
char *buf, loff_t off,
size_t count)
{
@ -107,7 +107,7 @@ static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp,
static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp,
struct kobject *kobj,
struct bin_attribute *bin,
const struct bin_attribute *bin,
char *buf, loff_t off,
size_t count)
{
@ -155,7 +155,7 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp,
static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp,
struct kobject *kobj,
struct bin_attribute *bin,
const struct bin_attribute *bin,
char *buf, loff_t off,
size_t count)
{
@ -194,7 +194,7 @@ static const struct bin_attribute arcmsr_sysfs_message_read_attr = {
.mode = S_IRUSR ,
},
.size = ARCMSR_API_DATA_BUFLEN,
.read = arcmsr_sysfs_iop_message_read,
.read_new = arcmsr_sysfs_iop_message_read,
};
static const struct bin_attribute arcmsr_sysfs_message_write_attr = {
@ -203,7 +203,7 @@ static const struct bin_attribute arcmsr_sysfs_message_write_attr = {
.mode = S_IWUSR,
},
.size = ARCMSR_API_DATA_BUFLEN,
.write = arcmsr_sysfs_iop_message_write,
.write_new = arcmsr_sysfs_iop_message_write,
};
static const struct bin_attribute arcmsr_sysfs_message_clear_attr = {
@ -212,7 +212,7 @@ static const struct bin_attribute arcmsr_sysfs_message_clear_attr = {
.mode = S_IWUSR,
},
.size = 1,
.write = arcmsr_sysfs_iop_message_clear,
.write_new = arcmsr_sysfs_iop_message_clear,
};
int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb)