From: Andrey Volk <andywolk@gmail.com>
Date: Wed, 12 Jan 2022 17:07:20 +0000 (+0300)
Subject: [libvpx] scan-build: avoid dereference of null pointer
X-Git-Tag: v1.10.8^2~37
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1499acac9ddf8fd0ae2ce91a3a8ef2cd715b1f48;p=thirdparty%2Ffreeswitch.git

[libvpx] scan-build: avoid dereference of null pointer
---

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--;