diff --git a/[refs] b/[refs]
index 088d79e97408..c7b638cec77f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 95ff7cde91f5513ebc95ccf0cd482f07dc3454e4
+refs/heads/master: 76c39d429d606d8f9b354ee2b1973b76c8331b1f
diff --git a/trunk/drivers/staging/hv/connection.c b/trunk/drivers/staging/hv/connection.c
index a88ad7072566..7a3ec75bab18 100644
--- a/trunk/drivers/staging/hv/connection.c
+++ b/trunk/drivers/staging/hv/connection.c
@@ -222,7 +222,7 @@ static void process_chn_event(u32 relid)
 	 */
 	channel = relid2channel(relid);
 
-	if (channel) {
+	if (channel && (channel->onchannel_callback != NULL)) {
 		channel->onchannel_callback(channel->channel_callback_context);
 	} else {
 		pr_err("channel not found for relid - %u\n", relid);