[PATCH] vasnprintf: fix potential use after free

[Pádraig Brady]

* lib/vasnprintf.c (VASNPRINTF): Fix free-memory read,
flagged by clang-analyzer 3.4.2.
---
 ChangeLog        | 6 ++++++
 lib/vasnprintf.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 1c4a7ab..41207ea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-12-06  Pádraig Brady  <p...@draigbrady.com>
+
+       vasnprintf: fix potential use after free
+       * lib/vasnprintf.c (VASNPRINTF): Fix free-memory read,
+       flagged by clang-analyzer 3.4.2.
+
 2014-12-05  Pádraig Brady  <p...@draigbrady.com>
 
        filevercmp, posixtm: avoid compiler warnings with -O3
diff --git a/lib/vasnprintf.c b/lib/vasnprintf.c
index 0484c4e..223be07 100644
--- a/lib/vasnprintf.c
+++ b/lib/vasnprintf.c
@@ -5184,13 +5184,13 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp,
                           free (result);
                         if (buf_malloced != NULL)
                           free (buf_malloced);
-                        CLEANUP ();
                         errno =
                           (saved_errno != 0
                            ? saved_errno
                            : (dp->conversion == 'c' || dp->conversion == 's'
                               ? EILSEQ
                               : EINVAL));
+                        CLEANUP ();
                         return NULL;
                       }
 
-- 
2.1.0