2 files changed, 5 insertions, 13 deletions

diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index d649ee169d9..746370e8211 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -611,7 +611,7 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
 
         /* Stop callback and cancel the timer asap */
         Channel->OnChannelCallback = NULL;
-        del_timer(&Channel->poll_timer);
+        del_timer_sync(&Channel->poll_timer);
 
         /* Send a closing message */
         info = kmalloc(sizeof(*info) +
@@ -978,14 +978,10 @@ void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
 {
         DumpVmbusChannel(Channel);
         ASSERT(Channel->OnChannelCallback);
-#ifdef ENABLE_POLLING
-        del_timer(&Channel->poll_timer);
-        Channel->OnChannelCallback(Channel->ChannelCallbackContext);
-        channel->poll_timer.expires(jiffies + usecs_to_jiffies(100);
-        add_timer(&channel->poll_timer);
-#else
+
         Channel->OnChannelCallback(Channel->ChannelCallbackContext);
-#endif
+
+        mod_timer(&Channel->poll_timer, jiffies + usecs_to_jiffies(100));
 }
 
 /**
@@ -997,10 +993,6 @@ void VmbusChannelOnTimer(unsigned long data)
 
         if (channel->OnChannelCallback) {
                 channel->OnChannelCallback(channel->ChannelCallbackContext);
-#ifdef ENABLE_POLLING
-                channel->poll_timer.expires(jiffies + usecs_to_jiffies(100);
-                add_timer(&channel->poll_timer);
-#endif
         }
 }
 
diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index 3db62caedcf..ef38467ed4e 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -119,7 +119,7 @@ static inline void ReleaseVmbusChannel(void *context)
  */
 void FreeVmbusChannel(struct vmbus_channel *Channel)
 {
-        del_timer(&Channel->poll_timer);
+        del_timer_sync(&Channel->poll_timer);
 
         /*
          * We have to release the channel's workqueue/thread in the vmbus's