oprofile: remove backtrace code for ibs

This code is broken since a TRACE_BEGIN_CODE is never sent to the
daemon. The data becomes corrupt since the backtrace is interpreted as
ibs sample.

Signed-off-by: Robert Richter <robert.richter@amd.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 7415d2e6b3a1..e61e25fda1ad 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -557,11 +557,9 @@ void sync_buffer(int cpu)
                                 break;
 #ifdef CONFIG_OPROFILE_IBS
                         case IBS_FETCH_BEGIN:
-                                state = sb_bt_start;
                                 add_ibs_begin(cpu, IBS_FETCH_CODE, mm);
                                 break;
                         case IBS_OP_BEGIN:
-                                state = sb_bt_start;
                                 add_ibs_begin(cpu, IBS_OP_CODE, mm);
                                 break;
 #endif