From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Fri, 13 Mar 2015 20:58:24 +0000 (+0100)
Subject: shec/shec.cc: fix uninitialized scalar variable (UNINIT)
X-Git-Tag: v9.0.0~95^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0b40e59b636cd6e5ef5ca0fe8c37ad3c9cb7ef99;p=ceph.git

shec/shec.cc: fix uninitialized scalar variable (UNINIT)

Fix for:

CID 1274311: Uninitialized scalar variable (UNINIT)
 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/shec.cc b/src/erasure-code/shec/shec.cc
index 178b7652b036..18528a1dd476 100644
--- a/src/erasure-code/shec/shec.cc
+++ b/src/erasure-code/shec/shec.cc
@@ -284,6 +284,8 @@ int shec_matrix_decode(int k, int m, int w, int *matrix,
   int *decoding_matrix = NULL, dm_ids[k];
   int minimum[k + m];
 
+  memset(dm_ids, 0, sizeof(dm_ids));
+
   if (w != 8 && w != 16 && w != 32) return -1;
 
   /* Find the number of data drives failed */