Author: oshogbo
Date: Mon Aug  8 06:33:57 2016
New Revision: 303826
URL: https://svnweb.freebsd.org/changeset/base/303826

Log:
  MFC r302966:
    Fix nvlist array memory leak.
  
    When we change nvl_array_next to NULL it means that we want to destroy
    or take nvlist_array. The nvpair, which stores next nvlist of
    nvlist_array element is no longer needed and can be freed.
  
    Submitted by:       Adam Starak <starak.a...@gmail.com>
    Approved by:        re (gjb)

Modified:
  stable/11/sys/contrib/libnv/nvlist.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/contrib/libnv/nvlist.c
==============================================================================
--- stable/11/sys/contrib/libnv/nvlist.c        Mon Aug  8 06:29:25 2016        
(r303825)
+++ stable/11/sys/contrib/libnv/nvlist.c        Mon Aug  8 06:33:57 2016        
(r303826)
@@ -236,10 +236,12 @@ nvlist_set_array_next(nvlist_t *nvl, nvp
 
        NVLIST_ASSERT(nvl);
 
-       if (ele != NULL)
+       if (ele != NULL) {
                nvl->nvl_flags |= NV_FLAG_IN_ARRAY;
-       else
+       } else {
                nvl->nvl_flags &= ~NV_FLAG_IN_ARRAY;
+               nv_free(nvl->nvl_array_next);
+       }
 
        nvl->nvl_array_next = ele;
 }
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