From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Fri, 13 Mar 2015 18:19:20 +0000 (+0100)
Subject: ErasureCodeShec.cc: fix uninitialized scalar variable (UNINIT)
X-Git-Tag: v9.0.0~95^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f526ddebfb10e755ef8599746de2bb56e738df34;p=ceph.git

ErasureCodeShec.cc: fix uninitialized scalar variable (UNINIT)

Fix for:
CID 1274310: Uninitialized scalar variable (UNINIT)
 6. uninit_use_in_call: Using uninitialized element of
 array erased when calling shec_make_decoding_matrix.

CID 1274312: Uninitialized scalar variable (UNINIT)
 24. uninit_use_in_call: Using uninitialized element of
 array dm_ids when calling shec_make_decoding_matrix.

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 6f2c19453296..b1dfd84e022e 100644
--- a/src/erasure-code/shec/ErasureCodeShec.cc
+++ b/src/erasure-code/shec/ErasureCodeShec.cc
@@ -101,6 +101,9 @@ int ErasureCodeShec::minimum_to_decode(const set<int> &want_to_decode,
     int minimum[k + m];
     int dm_ids[k];
 
+    memset(erased, 0, sizeof(erased));
+    memset(dm_ids, 0, sizeof(dm_ids));
+
     for (int i = 0; i < k + m; i++) {
       erased[i] = 0;
       if (available_chunks.find(i) == available_chunks.end()) {