hyper-v: make uuid_le const
The uuid structure could be managed as a const in several places.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index fa92046..90d6545 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -365,7 +365,7 @@
* performance critical channels (IDE, SCSI and Network) will be uniformly
* distributed across all available CPUs.
*/
-static u32 get_vp_index(uuid_le *type_guid)
+static u32 get_vp_index(const uuid_le *type_guid)
{
u32 cur_cpu;
int i;
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 860134d..f90621e 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -644,9 +644,9 @@
/* General vmbus interface */
-struct hv_device *vmbus_device_create(uuid_le *type,
- uuid_le *instance,
- struct vmbus_channel *channel);
+struct hv_device *vmbus_device_create(const uuid_le *type,
+ const uuid_le *instance,
+ struct vmbus_channel *channel);
int vmbus_device_register(struct hv_device *child_device_obj);
void vmbus_device_unregister(struct hv_device *device_obj);
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 8e53a3c..4d6b269 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -435,7 +435,7 @@
return ret;
}
-static uuid_le null_guid;
+static const uuid_le null_guid;
static inline bool is_null_guid(const __u8 *guid)
{
@@ -450,7 +450,7 @@
*/
static const struct hv_vmbus_device_id *hv_vmbus_get_id(
const struct hv_vmbus_device_id *id,
- __u8 *guid)
+ const __u8 *guid)
{
for (; !is_null_guid(id->guid); id++)
if (!memcmp(&id->guid, guid, sizeof(uuid_le)))
@@ -779,9 +779,9 @@
* vmbus_device_create - Creates and registers a new child device
* on the vmbus.
*/
-struct hv_device *vmbus_device_create(uuid_le *type,
- uuid_le *instance,
- struct vmbus_channel *channel)
+struct hv_device *vmbus_device_create(const uuid_le *type,
+ const uuid_le *instance,
+ struct vmbus_channel *channel)
{
struct hv_device *child_device_obj;