logind-session: Fix invalid free in the error case

utf8 needs to be initialized to NULL for the free for the early return,
otherwise we try to free invalid data.

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 81d12cbcea89e06df8bb597576166fd375aaed26..548f049202e9c1baecb2b66ac1830f4e1c62a648 100644 (file)
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -1008,7 +1008,7 @@ error:
 }
 
 void session_restore_vt(Session *s) {
-        _cleanup_free_ char *utf8;
+        _cleanup_free_ char *utf8 = NULL;
         int vt, kb = K_XLATE;
         struct vt_mode mode = { 0 };