1 files changed, 12 insertions, 0 deletions
diff --git a/elf/dl-tls.c b/elf/dl-tls.c
index 576d9a1465..c60a6b7b80 100644
--- a/elf/dl-tls.c
+++ b/elf/dl-tls.c
@@ -463,6 +463,18 @@ _dl_allocate_tls (void *mem)
 }
 rtld_hidden_def (_dl_allocate_tls)
 
+void
+internal_function
+_dl_clear_dtv (dtv_t *dtv)
+{
+  for (size_t cnt = 0; cnt < dtv[-1].counter; ++cnt)
+    if (! dtv[1 + cnt].pointer.is_static
+	&& dtv[1 + cnt].pointer.val != TLS_DTV_UNALLOCATED)
+      free (dtv[1 + cnt].pointer.val);
+  memset (dtv, '\0', (dtv[-1].counter + 1) * sizeof (dtv_t));
+}
+
+rtld_hidden_def (_dl_clear_dtv)
 
 #ifndef SHARED
 extern dtv_t _dl_static_dtv[];