From 1b9d48f2a5794248fef45540961d047b30655bb3 Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Tue, 3 Jun 2014 08:38:15 -0700 Subject: hyper-v: make uuid_le const The uuid structure could be managed as a const in several places. Signed-off-by: Stephen Hemminger Signed-off-by: K. Y. Srinivasan Signed-off-by: David S. Miller --- drivers/hv/channel_mgmt.c | 2 +- drivers/hv/hyperv_vmbus.h | 6 +++--- drivers/hv/vmbus_drv.c | 10 +++++----- 3 files changed, 9 insertions(+), 9 deletions(-) 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 @@ static u32 next_vp; * 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 @@ extern struct vmbus_connection vmbus_connection; /* 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 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) 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 inline bool is_null_guid(const __u8 *guid) */ 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 @@ EXPORT_SYMBOL_GPL(vmbus_driver_unregister); * 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; -- cgit v1.1