diff options
Diffstat (limited to 'unix')
| -rw-r--r-- | unix/tkUnixWm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/unix/tkUnixWm.c b/unix/tkUnixWm.c index 1d66412..c79f7cb 100644 --- a/unix/tkUnixWm.c +++ b/unix/tkUnixWm.c @@ -6755,6 +6755,13 @@ TkSetTransientFor(Tk_Window tkwin, Tk_Window parent) while (!Tk_IsTopLevel(parent)) parent = Tk_Parent(tkwin); } + /* + * Prevent crash due to incomplete initialization, or other problems. + * [Bugs 3554026, 3561016] + */ + if (((TkWindow *)parent)->wmInfoPtr->wrapperPtr == NULL) { + return; + } XSetTransientForHint(Tk_Display(tkwin), ((TkWindow *)tkwin)->wmInfoPtr->wrapperPtr->window, ((TkWindow *)parent)->wmInfoPtr->wrapperPtr->window); |