Add an error return in find_forced_group()

(This used to be commit 93ce0705c14f222bda3e6204f4b54ba1893f33e1)

diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index 60d962f3fdf631c85375aa402622f79331743ab2..30e48018e9a6449e71d90f63b072776364a53ada 100644 (file)
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -557,6 +557,11 @@ static NTSTATUS find_forced_group(bool force_user,
 
        groupname = talloc_string_sub(talloc_tos(), groupname,
                                      "%S", lp_servicename(snum));
+       if (groupname == NULL) {
+               DEBUG(1, ("talloc_string_sub failed\n"));
+               result = NT_STATUS_NO_MEMORY;
+               goto done;
+       }
 
        if (!lookup_name_smbconf(talloc_tos(), groupname,
                         LOOKUP_NAME_ALL|LOOKUP_NAME_GROUP,