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Drivers: hv: balloon: add a fall through comment to hv_memory_notifier()

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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 <[email protected]>
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Vitaly Kuznetsov 2017-01-28 12:37:16 -07:00 • committed by Greg Kroah-Hartman
commit ad6d41253b
1 changed files with 1 additions and 0 deletions
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1
drivers/hv/hv_balloon.c
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@ -587,6 +587,7 @@ static int hv_memory_notifier(struct notifier_block *nb, unsigned long val,
spin_lock_irqsave(&dm_device.ha_lock, flags);
dm_device.num_pages_onlined += mem->nr_pages;
spin_unlock_irqrestore(&dm_device.ha_lock, flags);
/* Fall through */
case MEM_CANCEL_ONLINE:
if (dm_device.ha_waiting) {
dm_device.ha_waiting = false;