@@ -39,7 +39,7 @@
*/
#define VIO_CMO_MIN_ENT 1562624
-extern struct bus_type vio_bus_type;
+extern const struct bus_type vio_bus_type;
struct iommu_table;
@@ -1615,7 +1615,7 @@ static struct attribute *vio_cmo_dev_attrs[] = {
};
ATTRIBUTE_GROUPS(vio_cmo_dev);
-struct bus_type vio_bus_type = {
+const struct bus_type vio_bus_type = {
.name = "vio",
.dev_groups = vio_cmo_dev_groups,
.bus_groups = vio_bus_groups,
@@ -1634,7 +1634,7 @@ static struct attribute *vio_dev_attrs[] = {
};
ATTRIBUTE_GROUPS(vio_dev);
-struct bus_type vio_bus_type = {
+const struct bus_type vio_bus_type = {
.name = "vio",
.dev_groups = vio_dev_groups,
.uevent = vio_hotplug,
Since commit d492cc2573a0 ("driver core: device.h: make struct bus_type a const *"), the driver core can properly handle constant struct bus_type, move the vio_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> --- arch/powerpc/include/asm/vio.h | 2 +- arch/powerpc/platforms/pseries/vio.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)