Coverity scan gives a warning when there is fall through in a switch
without a comment.
Reported-by: Stephen Hemminger <sthem...@microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuzn...@redhat.com>
---
drivers/hv/hv_balloon.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 14c3dc4..7e2479f 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -587,6 +587,12 @@ 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 - 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.
+ */
case MEM_CANCEL_ONLINE:
if (dm_device.ha_waiting) {
dm_device.ha_waiting = false;
--
2.9.3
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