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Wayland: Stop possible Null pointer dereferences #89307

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merged 1 commit into from
Mar 9, 2024
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Wayland: Stop possible Null pointer dereferences #89307

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28 changes: 24 additions & 4 deletions platform/linuxbsd/wayland/wayland_thread.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2192,9 +2192,14 @@ void WaylandThread::_wp_tablet_tool_on_done(void *data, struct zwp_tablet_tool_v

void WaylandThread::_wp_tablet_tool_on_removed(void *data, struct zwp_tablet_tool_v2 *zwp_tablet_tool_v2) {
TabletToolState *ts = wp_tablet_tool_get_state(zwp_tablet_tool_v2);

if (!ts) {
return;
}

SeatState *ss = wl_seat_get_seat_state(ts->wl_seat);

if (!ts || !ss) {
if (!ss) {
return;
}

Expand All @@ -2214,9 +2219,14 @@ void WaylandThread::_wp_tablet_tool_on_removed(void *data, struct zwp_tablet_too

void WaylandThread::_wp_tablet_tool_on_proximity_in(void *data, struct zwp_tablet_tool_v2 *zwp_tablet_tool_v2, uint32_t serial, struct zwp_tablet_v2 *tablet, struct wl_surface *surface) {
TabletToolState *ts = wp_tablet_tool_get_state(zwp_tablet_tool_v2);

if (!ts) {
return;
}

SeatState *ss = wl_seat_get_seat_state(ts->wl_seat);

if (!ts || !ss) {
if (!ss) {
return;
}

Expand All @@ -2237,9 +2247,14 @@ void WaylandThread::_wp_tablet_tool_on_proximity_in(void *data, struct zwp_table

void WaylandThread::_wp_tablet_tool_on_proximity_out(void *data, struct zwp_tablet_tool_v2 *zwp_tablet_tool_v2) {
TabletToolState *ts = wp_tablet_tool_get_state(zwp_tablet_tool_v2);

if (!ts) {
return;
}

SeatState *ss = wl_seat_get_seat_state(ts->wl_seat);

if (!ts || !ss) {
if (!ss) {
return;
}

Expand Down Expand Up @@ -2389,9 +2404,14 @@ void WaylandThread::_wp_tablet_tool_on_button(void *data, struct zwp_tablet_tool

void WaylandThread::_wp_tablet_tool_on_frame(void *data, struct zwp_tablet_tool_v2 *zwp_tablet_tool_v2, uint32_t time) {
TabletToolState *ts = wp_tablet_tool_get_state(zwp_tablet_tool_v2);

if (!ts) {
return;
}

SeatState *ss = wl_seat_get_seat_state(ts->wl_seat);

if (!ts || !ss) {
if (!ss) {
return;
}

Expand Down
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