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-rw-r--r--drivers/hv/connection.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 253a74ba245c..ec3b8cdf1e04 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -246,12 +246,26 @@ struct vmbus_channel *relid2channel(u32 relid)
struct vmbus_channel *channel;
struct vmbus_channel *found_channel = NULL;
unsigned long flags;
+ struct list_head *cur, *tmp;
+ struct vmbus_channel *cur_sc;
spin_lock_irqsave(&vmbus_connection.channel_lock, flags);
list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
if (channel->offermsg.child_relid == relid) {
found_channel = channel;
break;
+ } else if (!list_empty(&channel->sc_list)) {
+ /*
+ * Deal with sub-channels.
+ */
+ list_for_each_safe(cur, tmp, &channel->sc_list) {
+ cur_sc = list_entry(cur, struct vmbus_channel,
+ sc_list);
+ if (cur_sc->offermsg.child_relid == relid) {
+ found_channel = cur_sc;
+ break;
+ }
+ }
}
}
spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags);

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