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hyper-v: make uuid_le const

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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>
This commit is contained in:
stephen hemminger
2014-06-03 08:38:15 -07:00
committed by David S. Miller
parent 9323b23995
commit 1b9d48f2a5
3 changed files with 9 additions and 9 deletions
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2
drivers/hv/channel_mgmt.c
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@@ -365,7 +365,7 @@ static u32 next_vp;
* performance critical channels (IDE, SCSI and Network) will be uniformly * performance critical channels (IDE, SCSI and Network) will be uniformly
* distributed across all available CPUs. * 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; u32 cur_cpu;
int i; int i;

6
drivers/hv/hyperv_vmbus.h
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@@ -644,9 +644,9 @@ extern struct vmbus_connection vmbus_connection;
/* General vmbus interface */ /* General vmbus interface */
struct hv_device *vmbus_device_create(uuid_le *type, struct hv_device *vmbus_device_create(const uuid_le *type,
uuid_le *instance, const uuid_le *instance,
struct vmbus_channel *channel); struct vmbus_channel *channel);
int vmbus_device_register(struct hv_device *child_device_obj); int vmbus_device_register(struct hv_device *child_device_obj);
void vmbus_device_unregister(struct hv_device *device_obj); void vmbus_device_unregister(struct hv_device *device_obj);

10
drivers/hv/vmbus_drv.c
View File

@@ -435,7 +435,7 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
return ret; return ret;
} }
static uuid_le null_guid; static const uuid_le null_guid;
static inline bool is_null_guid(const __u8 *guid) static inline bool is_null_guid(const __u8 *guid)
{ {
@@ -450,7 +450,7 @@ static inline bool is_null_guid(const __u8 *guid)
*/ */
static const struct hv_vmbus_device_id *hv_vmbus_get_id( static const struct hv_vmbus_device_id *hv_vmbus_get_id(
const struct hv_vmbus_device_id *id, const struct hv_vmbus_device_id *id,
__u8 *guid) const __u8 *guid)
{ {
for (; !is_null_guid(id->guid); id++) for (; !is_null_guid(id->guid); id++)
if (!memcmp(&id->guid, guid, sizeof(uuid_le))) if (!memcmp(&id->guid, guid, sizeof(uuid_le)))
@@ -779,9 +779,9 @@ EXPORT_SYMBOL_GPL(vmbus_driver_unregister);
* vmbus_device_create - Creates and registers a new child device * vmbus_device_create - Creates and registers a new child device
* on the vmbus. * on the vmbus.
*/ */
struct hv_device *vmbus_device_create(uuid_le *type, struct hv_device *vmbus_device_create(const uuid_le *type,
uuid_le *instance, const uuid_le *instance,
struct vmbus_channel *channel) struct vmbus_channel *channel)
{ {
struct hv_device *child_device_obj; struct hv_device *child_device_obj;