Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyper...

[platform/kernel/linux-rpi.git] / drivers / hv / vmbus_drv.c

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 4217646..4fad3e6 100644 (file)
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -2406,7 +2406,10 @@ static int vmbus_bus_suspend(struct device *dev)
        if (atomic_read(&vmbus_connection.nr_chan_close_on_suspend) > 0)
                wait_for_completion(&vmbus_connection.ready_for_suspend_event);
 
-       WARN_ON(atomic_read(&vmbus_connection.nr_chan_fixup_on_resume) != 0);
+       if (atomic_read(&vmbus_connection.nr_chan_fixup_on_resume) != 0) {
+               pr_err("Can not suspend due to a previous failed resuming\n");
+               return -EBUSY;
+       }
 
        mutex_lock(&vmbus_connection.channel_mutex);
 
@@ -2480,7 +2483,9 @@ static int vmbus_bus_resume(struct device *dev)
 
        vmbus_request_offers();
 
-       wait_for_completion(&vmbus_connection.ready_for_resume_event);
+       if (wait_for_completion_timeout(
+               &vmbus_connection.ready_for_resume_event, 10 * HZ) == 0)
+               pr_err("Some vmbus device is missing after suspending?\n");
 
        /* Reset the event for the next suspend. */
        reinit_completion(&vmbus_connection.ready_for_suspend_event);