Drivers: hv: balloon: add a fall through comment to hv_memory_notifier()
Coverity scan gives a warning when there is fall through in a switch without a comment. This fall through is intentional as ol_waitevent needs to be completed to unblock hv_mem_hot_add() allowing it to process next requests regardless of the result of if we were able to online this block. Reported-by: Stephen Hemminger <sthemmin@microsoft.com> 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>
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@ -587,6 +587,7 @@ static int hv_memory_notifier(struct notifier_block *nb, unsigned long val,
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spin_lock_irqsave(&dm_device.ha_lock, flags);
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dm_device.num_pages_onlined += mem->nr_pages;
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spin_unlock_irqrestore(&dm_device.ha_lock, flags);
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/* Fall through */
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case MEM_CANCEL_ONLINE:
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if (dm_device.ha_waiting) {
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dm_device.ha_waiting = false;
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