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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>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vitaly Kuznetsov 2016-09-16 09:01:18 -07:00 • committed by Greg Kroah-Hartman
commit e7fca5d860
2 changed files with 0 additions and 5 deletions
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2
drivers/hv/channel_mgmt.c
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@ -274,14 +274,12 @@ 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);

3
include/linux/hyperv.h
View file

@ -706,9 +706,6 @@ struct vmbus_device {
};
struct vmbus_channel {
/* Unique channel id */
int id;
struct list_head listentry;
struct hv_device *device_obj;