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 caa9cae69c89b9eb84d24cc61b39a0caab71e0ae..ae5a01226f73b65d41e361df7ef3b826cce2be28 100644 (file)
--- 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) {