[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 1cfc12f6fa1153ee2129c181125c3bed8a792251..fb2ae018ebf47c9e80a43a5a899182b6c9b14ed8 100644 (file)
--- a/libs/libvpx/vp9/common/vp9_onyxc_int.h
+++ b/libs/libvpx/vp9/common/vp9_onyxc_int.h
@@ -349,6 +349,8 @@ 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--;