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-rw-r--r--source3/auth/auth.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/source3/auth/auth.c b/source3/auth/auth.c
index a32d607e97..fc5a88ad64 100644
--- a/source3/auth/auth.c
+++ b/source3/auth/auth.c
@@ -75,7 +75,9 @@ NTSTATUS check_password(const auth_usersupplied_info *user_info,
DEBUG(3, ("check_password: mapped user is: [%s]\\[%s]@[%s]\n",
user_info->domain.str, user_info->internal_username.str, user_info->wksta_name.str));
- DEBUG(10, ("auth_info challenge created by %s\n", auth_info->challenge_set_by));
+ if (auth_info->challenge_set_by) {
+ DEBUG(10, ("auth_info challenge created by %s\n", auth_info->challenge_set_by));
+ }
DEBUG(10, ("challenge is: \n"));
dump_data(5, (auth_info)->challenge.data, (auth_info)->challenge.length);