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Groups > linux.kernel > #1458517

[PATCH 2/2] Drivers: hv: get rid of id in struct vmbus_channel

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The auto incremented counter is not being used anymore, get rid of it.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
 drivers/hv/channel_mgmt.c | 2 --
 include/linux/hyperv.h    | 3 ---
 2 files changed, 5 deletions(-)

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index b6c1211..4b4a41d 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -251,14 +251,12 @@ EXPORT_SYMBOL_GPL(vmbus_prep_negotiate_resp);
  */
 static struct vmbus_channel *alloc_channel(void)
 {
-	static atomic_t chan_num = ATOMIC_INIT(0);
 	struct vmbus_channel *channel;
 
 	channel = kzalloc(sizeof(*channel), GFP_ATOMIC);
 	if (!channel)
 		return NULL;
 
-	channel->id = atomic_inc_return(&chan_num);
 	channel->acquire_ring_lock = true;
 	spin_lock_init(&channel->inbound_lock);
 	spin_lock_init(&channel->lock);
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index b10954a..d9371a7 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -701,9 +701,6 @@ struct vmbus_device {
 };
 
 struct vmbus_channel {
-	/* Unique channel id */
-	int id;
-
 	struct list_head listentry;
 
 	struct hv_device *device_obj;
-- 
2.7.4

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[PATCH 0/2] Drivers: hv: vmbus: make bus ids in sysfs persistent Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-08-09 10:50 +0200
  [PATCH 2/2] Drivers: hv: get rid of id in struct vmbus_channel Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-08-09 10:50 +0200
  RE: [PATCH 0/2] Drivers: hv: vmbus: make bus ids in sysfs persistent KY Srinivasan <kys@microsoft.com> - 2016-08-10 22:40 +0200

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