1 files changed, 5 insertions, 0 deletions
diff --git a/libdw/dwarf_end.c b/libdw/dwarf_end.c
index 60c9716e..4cc192c8 100644
--- a/libdw/dwarf_end.c
+++ b/libdw/dwarf_end.c
@@ -82,6 +82,8 @@ dwarf_end (dwarf)
 {
   if (dwarf != NULL)
     {
+      rwlock_wrlock (dwarf->lock);
+
       /* The search tree for the CUs.  NB: the CU data itself is
 	 allocated separately, but the abbreviation hash tables need
 	 to be handled.  */
@@ -103,6 +105,9 @@ dwarf_end (dwarf)
       if (dwarf->free_elf)
 	elf_end (dwarf->elf);
 
+      /* Free the lock. */
+      rwlock_fini (dwarf->lock);
+
       /* Free the context descriptor.  */
       free (dwarf);
     }