From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Mon, 22 Feb 2016 14:26:57 +0000 (+0100)
Subject: erasure-code/shec/ErasureCodeShec.cc: use memset to fill integer VLAs
X-Git-Tag: v11.1.0~327^2~21
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6ab3ff7fbb602fa6ab390ae80f90c70de7de548d;p=ceph.git

erasure-code/shec/ErasureCodeShec.cc: use memset to fill integer VLAs

Fix for:

CID 1313448 (#1 of 1): Uninitialized scalar variable (UNINIT)
 uninit_use: Using uninitialized value want[i + this->k]

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
---

diff --git a/src/erasure-code/shec/ErasureCodeShec.cc b/src/erasure-code/shec/ErasureCodeShec.cc
index 21803286a23d..c5486dbdf488 100644
--- a/src/erasure-code/shec/ErasureCodeShec.cc
+++ b/src/erasure-code/shec/ErasureCodeShec.cc
@@ -549,6 +549,9 @@ int ErasureCodeShec::shec_make_decoding_matrix(bool prepare, int *want_, int *av
 {
   int mindup = k+1, minp = k+1;
   int want[k + m];
+
+  memset(want, 0, sizeof(want));
+
   for (int i = 0; i < k + m; ++i) {
     want[i] = want_[i];
   }