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authorThomas Weißschuh <linux@weissschuh.net>2024-12-16 12:29:13 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2025-01-02 15:07:45 -0500
commit4594a1f827d4a8e2a96f114d7f2afa2171561e09 (patch)
tree519b9bbdb104296932c1b7f3d67453954b617b40
parentaf58c759836b7272236e8ef4773e0926d686a135 (diff)
scsi: lpfc: Constify 'struct bin_attribute'
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-v1-6-f0a5e54b3437@weissschuh.net Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 39b504164ecc..0d0213bba35d 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -6185,7 +6185,7 @@ const struct attribute_group *lpfc_vport_groups[] = {
**/
static ssize_t
sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
size_t buf_off;
@@ -6244,7 +6244,7 @@ sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
**/
static ssize_t
sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
size_t buf_off;
@@ -6280,14 +6280,14 @@ sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
return count;
}
-static struct bin_attribute sysfs_ctlreg_attr = {
+static const struct bin_attribute sysfs_ctlreg_attr = {
.attr = {
.name = "ctlreg",
.mode = S_IRUSR | S_IWUSR,
},
.size = 256,
- .read = sysfs_ctlreg_read,
- .write = sysfs_ctlreg_write,
+ .read_new = sysfs_ctlreg_read,
+ .write_new = sysfs_ctlreg_write,
};
/**
@@ -6308,7 +6308,7 @@ static struct bin_attribute sysfs_ctlreg_attr = {
**/
static ssize_t
sysfs_mbox_write(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
return -EPERM;
@@ -6332,20 +6332,20 @@ sysfs_mbox_write(struct file *filp, struct kobject *kobj,
**/
static ssize_t
sysfs_mbox_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
return -EPERM;
}
-static struct bin_attribute sysfs_mbox_attr = {
+static const struct bin_attribute sysfs_mbox_attr = {
.attr = {
.name = "mbox",
.mode = S_IRUSR | S_IWUSR,
},
.size = MAILBOX_SYSFS_MAX,
- .read = sysfs_mbox_read,
- .write = sysfs_mbox_write,
+ .read_new = sysfs_mbox_read,
+ .write_new = sysfs_mbox_write,
};
/**