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@xxxxxxxxxxxxxx> --- drivers/of/kobj.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c index cab9b169dc67f90a5ae8a97bb5d9fbf3f13559ef..aa887166f0d21030d620d43c864ca76cde1c6d05 100644 --- a/drivers/of/kobj.c +++ b/drivers/of/kobj.c @@ -29,7 +29,7 @@ const struct kobj_type of_node_ktype = { }; static ssize_t of_node_property_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, char *buf, + const struct bin_attribute *bin_attr, char *buf, loff_t offset, size_t count) { struct property *pp = container_of(bin_attr, struct property, attr); @@ -77,7 +77,7 @@ int __of_add_property_sysfs(struct device_node *np, struct property *pp) pp->attr.attr.name = safe_name(&np->kobj, pp->name); pp->attr.attr.mode = secure ? 0400 : 0444; pp->attr.size = secure ? 0 : pp->length; - pp->attr.read = of_node_property_read; + pp->attr.read_new = of_node_property_read; rc = sysfs_create_bin_file(&np->kobj, &pp->attr); WARN(rc, "error adding attribute %s to node %pOF\n", pp->name, np); --- base-commit: bcde95ce32b666478d6737219caa4f8005a8f201 change-id: 20241222-sysfs-const-bin_attr-of-bd5508e2bc1d Best regards, -- Thomas Weißschuh <linux@xxxxxxxxxxxxxx>