commit fa873d82a130eec2bc05f57d19b0f0d0b86a317e
author Wan-Teh Chang <wtc@google.com> Thu Oct 25 15:12:14 2018 -0700
committer Wan-Teh Chang <wtc@google.com> Sat Oct 27 00:23:42 2018 +0000
tree 9a109a0a62364b5783165890a7b75ee34535a2a2
parent f447f8cac2bcfd3a31916c4545b51240591425f7

Assert the ref_count is valid in ref_cnt_fb().

This is similar to the assertion I added to decrease_ref_count() in
commit d230388e48433458a0e93d380c7b951854c9f9ff:
https://aomedia-review.googlesource.com/c/aom/+/72161

BUG=aomedia:2179

Change-Id: I697478086a672261292ce3a03c9973e1fdd56e5a

av1/common/onyxc_int.h

diff --git a/av1/common/onyxc_int.h b/av1/common/onyxc_int.h
index 5442638..e38988d 100644
--- a/av1/common/onyxc_int.h
+++ b/av1/common/onyxc_int.h
@@ -603,8 +603,10 @@
 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
   const int ref_index = *idx;
 
-  if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
+  if (ref_index >= 0) {
+    assert(bufs[ref_index].ref_count > 0);
     bufs[ref_index].ref_count--;
+  }
 
   *idx = new_idx;