[patch] hv: vmbus: fix vmbus_recvpacket_raw() return code

[Dan Carpenter]

Don't return success if the buffer has not been initialized.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 6de6c98..b05293c 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -855,6 +855,6 @@ int vmbus_recvpacket_raw(struct vmbus_channel *channel, void *buffer,
 	if (signal)
 		vmbus_setevent(channel);
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(vmbus_recvpacket_raw);