(XTread_socket, Xatom_wm_save_yourself clause):

Don't call XSetCommand if f is 0.

diff --git a/src/xterm.c b/src/xterm.c
index 35fa4cf42412f1cc8602e59a690388616e50cb08..977e1b8020f8966df0a5faf39047b0fd403cc202 100644 (file)
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3354,7 +3354,7 @@ XTread_socket (sd, bufp, numchars, waitp, expected)
                              XSetCommand (FRAME_X_DISPLAY (f),
                                           event.xclient.window,
                                           initial_argv, initial_argc);
-                           else
+                           else if (f)
                              XSetCommand (FRAME_X_DISPLAY (f),
                                           event.xclient.window,
                                           0, 0);