Fix double-free in X selection code.

[PuTTY.git] / unix / pterm.c

diff --git a/unix/pterm.c b/unix/pterm.c
index 8e2554d8fe9716eba0d0fa8407c6bcc1435dd95b..f23f07b7cf1c2af2fc70fe265a3e6386faaa0a0b 100644 (file)
--- a/unix/pterm.c
+++ b/unix/pterm.c
@@ -1424,7 +1424,10 @@ void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
            memcpy(inst->pasteout_data_ctext, tp.value, tp.nitems);
            inst->pasteout_data_ctext_len = tp.nitems;
            XFree(tp.value);
-       }
+       } else {
+            inst->pasteout_data_ctext = NULL;
+            inst->pasteout_data_ctext_len = 0;
+        }
     } else {
        inst->pasteout_data_utf8 = NULL;
        inst->pasteout_data_utf8_len = 0;