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@xxxxxxxxxxxxx>
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
Changes since v1: reduce the verbosity of the comment [Stephen Hemminger]
---
drivers/hv/hv_balloon.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 14c3dc4..5fd03e5 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -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;
--
2.9.3
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