From 1499acac9ddf8fd0ae2ce91a3a8ef2cd715b1f48 Mon Sep 17 00:00:00 2001
From: Andrey Volk <andywolk@gmail.com>
Date: Wed, 12 Jan 2022 20:07:20 +0300
Subject: [PATCH] [libvpx] scan-build: avoid dereference of null pointer

---
 libs/libvpx/vp9/common/vp9_onyxc_int.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/libvpx/vp9/common/vp9_onyxc_int.h b/libs/libvpx/vp9/common/vp9_onyxc_int.h
index 662b8ef5e1..c5b98c0021 100644
--- a/libs/libvpx/vp9/common/vp9_onyxc_int.h
+++ b/libs/libvpx/vp9/common/vp9_onyxc_int.h
@@ -299,6 +299,8 @@ static INLINE int get_free_fb(VP9_COMMON *cm) {
 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
   const int ref_index = *idx;
 
+  if (!bufs) return;
+
   if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
     bufs[ref_index].ref_count--;