EDAC/pci_sysfs: Constify instance sysfs attributes

These structures are never modified, mark them read-only.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20260223-sysfs-const-edac-v1-5-3ff0b87249e7@weissschuh.net

diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index 446fef0a93993bc6b6255d5a7e2a36bc993322e6..9f437f648e4e3ebc4ce9e798e05c5a69e4730841 100644 (file)
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -68,7 +68,7 @@ static ssize_t instance_npe_count_show(struct edac_pci_ctl_info *pci,
 }
 
 #define to_instance(k) container_of(k, struct edac_pci_ctl_info, kobj)
-#define to_instance_attr(a) container_of(a, struct instance_attribute, attr)
+#define to_instance_attr(a) container_of_const(a, struct instance_attribute, attr)
 
 /* DEVICE instance kobject release() function */
 static void edac_pci_instance_release(struct kobject *kobj)
@@ -98,7 +98,7 @@ static ssize_t edac_pci_instance_show(struct kobject *kobj,
                                struct attribute *attr, char *buffer)
 {
        struct edac_pci_ctl_info *pci = to_instance(kobj);
-       struct instance_attribute *instance_attr = to_instance_attr(attr);
+       const struct instance_attribute *instance_attr = to_instance_attr(attr);
 
        if (instance_attr->show)
                return instance_attr->show(pci, buffer);
@@ -111,7 +111,7 @@ static ssize_t edac_pci_instance_store(struct kobject *kobj,
                                const char *buffer, size_t count)
 {
        struct edac_pci_ctl_info *pci = to_instance(kobj);
-       struct instance_attribute *instance_attr = to_instance_attr(attr);
+       const struct instance_attribute *instance_attr = to_instance_attr(attr);
 
        if (instance_attr->store)
                return instance_attr->store(pci, buffer, count);
@@ -125,7 +125,7 @@ static const struct sysfs_ops pci_instance_ops = {
 };
 
 #define INSTANCE_ATTR(_name, _mode, _show, _store)     \
-static struct instance_attribute attr_instance_##_name = {     \
+static const struct instance_attribute attr_instance_##_name = {       \
        .attr   = {.name = __stringify(_name), .mode = _mode }, \
        .show   = _show,                                        \
        .store  = _store,                                       \
@@ -135,7 +135,7 @@ INSTANCE_ATTR(pe_count, S_IRUGO, instance_pe_count_show, NULL);
 INSTANCE_ATTR(npe_count, S_IRUGO, instance_npe_count_show, NULL);
 
 /* pci instance attributes */
-static struct attribute *pci_instance_attrs[] = {
+static const struct attribute *const pci_instance_attrs[] = {
        &attr_instance_pe_count.attr,
        &attr_instance_npe_count.attr,
        NULL