1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index e5162a64018b..2c645170f06e 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -53,9 +53,24 @@ int oprofile_setup(void)
          * us missing task deaths and eventually oopsing
          * when trying to process the event buffer.
          */
+        if (oprofile_ops.sync_start) {
+                int sync_ret = oprofile_ops.sync_start();
+                switch (sync_ret) {
+                case 0:
+                        goto post_sync;
+                case 1:
+                        goto do_generic;
+                case -1:
+                        goto out3;
+                default:
+                        goto out3;
+                }
+        }
+do_generic:
         if ((err = sync_start()))
                 goto out3;
 
+post_sync:
         is_setup = 1;
         mutex_unlock(&start_mutex);
         return 0;
@@ -118,7 +133,20 @@ out:
 void oprofile_shutdown(void)
 {
         mutex_lock(&start_mutex);
+        if (oprofile_ops.sync_stop) {
+                int sync_ret = oprofile_ops.sync_stop();
+                switch (sync_ret) {
+                case 0:
+                        goto post_sync;
+                case 1:
+                        goto do_generic;
+                default:
+                        goto post_sync;
+                }
+        }
+do_generic:
         sync_stop();
+post_sync:
         if (oprofile_ops.shutdown)
                 oprofile_ops.shutdown();
         is_setup = 0;