From: James Zern <jzern@google.com>
Date: Wed, 18 Mar 2015 21:31:58 +0000 (-0700)
Subject: vp9_mv_pred: quiet a static analysis warning
X-Git-Tag: v1.4.0~17^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=428369293d7bdd0b953bc74fd925b1484f0cad20;p=libvpx

vp9_mv_pred: quiet a static analysis warning

add an assert to validate pred_mv array size

Change-Id: I532b882b71e2baff3ac76e07ed133ec5a11bd0fc
---

diff --git a/vp9/encoder/vp9_rd.c b/vp9/encoder/vp9_rd.c
index caa9cae69..ae5a01226 100644
--- a/vp9/encoder/vp9_rd.c
+++ b/vp9/encoder/vp9_rd.c
@@ -467,6 +467,7 @@ void vp9_mv_pred(VP9_COMP *cpi, MACROBLOCK *x,
   pred_mv[0] = mbmi->ref_mvs[ref_frame][0].as_mv;
   pred_mv[1] = mbmi->ref_mvs[ref_frame][1].as_mv;
   pred_mv[2] = x->pred_mv[ref_frame];
+  assert(num_mv_refs <= (int)(sizeof(pred_mv) / sizeof(pred_mv[0])));
 
   // Get the sad for each candidate reference mv.
   for (i = 0; i < num_mv_refs; ++i) {