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xwayland/selection: don't leak Wayland fd if ConvertSelection fails

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If our ConvertSelection failed, we would previously leak the pending
Wayland client fd.

Refs swaywm/sway#5946.
This commit is contained in:
Tudor Brindus 2021-01-29 18:30:17 -05:00 • committed by Simon Ser
parent e0dfc14983
commit 3417fc0cca
1 changed files with 3 additions and 0 deletions
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3
xwayland/selection/incoming.c
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@ -397,11 +397,14 @@ void xwm_handle_selection_notify(struct wlr_xwm *xwm,
if (event->property == XCB_ATOM_NONE) {
wlr_log(WLR_ERROR, "convert selection failed");
xwm_selection_transfer_finish(&selection->incoming);
} else if (event->target == xwm->atoms[TARGETS]) {
// No xwayland surface focused, deny access to clipboard
if (xwm->focus_surface == NULL) {
wlr_log(WLR_DEBUG, "denying write access to clipboard: "
"no xwayland surface focused");
// Would leak this transfer otherwise. Should never happen.
assert(selection->incoming.wl_client_fd <= 0);
return;
}