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-rw-r--r--hl/src/H5DS.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hl/src/H5DS.c b/hl/src/H5DS.c
index b24f887..ce61028 100644
--- a/hl/src/H5DS.c
+++ b/hl/src/H5DS.c
@@ -1434,6 +1434,10 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
char ** buf; /* discarding the 'const' qualifier in the free */
char const ** const_buf; /* buf calls */
} u;
+
+ u.buf = NULL;
+ u.const_buf = NULL;
+
/*-------------------------------------------------------------------------
* parameter checking
*-------------------------------------------------------------------------