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-rw-r--r--source3/lib/util_sid.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/source3/lib/util_sid.c b/source3/lib/util_sid.c
index 42fdfb15fe..3572f2c775 100644
--- a/source3/lib/util_sid.c
+++ b/source3/lib/util_sid.c
@@ -404,6 +404,9 @@ BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
{
int i;
+ if (sid1 == sid2) return True;
+ if (!sid1 || !sid2) return False;
+
/* compare most likely different rids, first: i.e start at end */
for (i = sid1->num_auths-1; i >= 0; --i)
if (sid1->sub_auths[i] != sid2->sub_auths[i])