s390/dasd: constify attribute_group structures.

attribute_group are not supposed to change at runtime. All functions
working with attribute_group provided by <linux/sysfs.h> work
with const attribute_group. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 779dce069cc5165b632b08ebd6968daf8545bd6f..7b539d92eeaf7b5456b1f2a8d5f3f002890b0273 100644 (file)
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1634,7 +1634,7 @@ static struct attribute * dasd_attrs[] = {
        NULL,
 };
 
-static struct attribute_group dasd_attr_group = {
+static const struct attribute_group dasd_attr_group = {
        .attrs = dasd_attrs,
 };