From: Dragos Oancea <dragos@signalwire.com>
Date: Thu, 20 Feb 2020 10:09:21 +0000 (+0000)
Subject: [libvpx] scan-build: Division by zero - measure_square_diff_partial()
X-Git-Tag: v1.10.3^2~68
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e78f638475a4dcdcdd88c6c62c9e3e4d1e77bfe;p=thirdparty%2Ffreeswitch.git

[libvpx] scan-build: Division by zero - measure_square_diff_partial()
---

diff --git a/libs/libvpx/vp8/encoder/onyx_if.c b/libs/libvpx/vp8/encoder/onyx_if.c
index 4fd1574924..c091594121 100644
--- a/libs/libvpx/vp8/encoder/onyx_if.c
+++ b/libs/libvpx/vp8/encoder/onyx_if.c
@@ -3017,7 +3017,7 @@ static int measure_square_diff_partial(YV12_BUFFER_CONFIG *source,
   // Only return non-zero if we have at least ~1/16 samples for estimate.
   if (num_blocks > (tot_num_blocks >> 4)) {
     assert(num_blocks != 0);
-    return (Total / num_blocks);
+    return num_blocks ? (Total / num_blocks) : 0;
   } else {
     return 0;
   }