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    Subject[PATCH 09/25] Staging: hv: Get rid of vmbus_release_unattached_channels() as it is not used
    Date
    Since vmbus_release_unattached_channels() is only used in module
    unload path and since the vmbus driver cannot be unloaded,
    get rid of this "dead" code.

    Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
    Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
    Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
    Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
    ---
    drivers/staging/hv/channel_mgmt.c | 33 ---------------------------------
    drivers/staging/hv/channel_mgmt.h | 2 --
    2 files changed, 0 insertions(+), 35 deletions(-)

    diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c
    index fe32f7e..1929ab3 100644
    --- a/drivers/staging/hv/channel_mgmt.c
    +++ b/drivers/staging/hv/channel_mgmt.c
    @@ -791,37 +791,4 @@ cleanup:
    return ret;
    }

    -/*
    - * vmbus_release_unattached_channels - Release channels that are
    - * unattached/unconnected ie (no drivers associated)
    - */
    -void vmbus_release_unattached_channels(void)
    -{
    - struct vmbus_channel *channel, *pos;
    - struct vmbus_channel *start = NULL;
    - unsigned long flags;
    -
    - spin_lock_irqsave(&vmbus_connection.channel_lock, flags);
    -
    - list_for_each_entry_safe(channel, pos, &vmbus_connection.chn_list,
    - listentry) {
    - if (channel == start)
    - break;
    -
    - if (!channel->device_obj->drv) {
    - list_del(&channel->listentry);
    -
    - pr_err("Releasing unattached device object\n");
    -
    - vmbus_child_device_unregister(channel->device_obj);
    - free_channel(channel);
    - } else {
    - if (!start)
    - start = channel;
    - }
    - }
    -
    - spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags);
    -}
    -
    /* eof */
    diff --git a/drivers/staging/hv/channel_mgmt.h b/drivers/staging/hv/channel_mgmt.h
    index 96f74e2..3b2c393 100644
    --- a/drivers/staging/hv/channel_mgmt.h
    +++ b/drivers/staging/hv/channel_mgmt.h
    @@ -315,6 +315,4 @@ void vmbus_onmessage(void *context);

    int vmbus_request_offers(void);

    -void vmbus_release_unattached_channels(void);
    -
    #endif /* _CHANNEL_MGMT_H_ */
    --
    1.7.4.1


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