zorro: 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 <[e-mail]>
Reviewed-by: Geert Uytterhoeven <[e-mail]>
Link: https://lore.kernel.org/[e-mail]
Signed-off-by: Geert Uytterhoeven <[e-mail]>

drivers/zorro/zorro-sysfs.c

···
 };
 
 static ssize_t zorro_read_config(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)
 {
 	struct zorro_dev *z = to_zorro_dev(kobj_to_dev(kobj));
···
 	return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd));
 }
 
-static struct bin_attribute zorro_config_attr = {
+static const struct bin_attribute zorro_config_attr = {
 	.attr =	{
 		.name = "config",
 		.mode = S_IRUGO,
 	},
 	.size = sizeof(struct ConfigDev),
-	.read = zorro_read_config,
+	.read_new = zorro_read_config,
 };
 
-static struct bin_attribute *zorro_device_bin_attrs[] = {
+static const struct bin_attribute *const zorro_device_bin_attrs[] = {
 	&zorro_config_attr,
 	NULL
 };
 
 static const struct attribute_group zorro_device_attr_group = {
 	.attrs		= zorro_device_attrs,
-	.bin_attrs	= zorro_device_bin_attrs,
+	.bin_attrs_new	= zorro_device_bin_attrs,
 };
 
 const struct attribute_group *zorro_device_attribute_groups[] = {