From 2b5eb0733ee326102cc2bd6494be429110f7bb28 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Thu, 2 Feb 2023 17:33:12 +0100
Subject: backend/wayland: make destroy_wl_seats() handle a single seat

Instead of destroying all seats, destroy a single one. We only need
to destroy all seats at one call-site (backend_destroy), but we'll
need to destroy a single seat elsewhere in the next commit.
---
 backend/wayland/backend.c |  6 +++++-
 backend/wayland/seat.c    | 45 +++++++++++++++++++++------------------------
 include/backend/wayland.h |  2 +-
 3 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/backend/wayland/backend.c b/backend/wayland/backend.c
index 720cecc5..f3aa462a 100644
--- a/backend/wayland/backend.c
+++ b/backend/wayland/backend.c
@@ -469,7 +469,11 @@ static void backend_destroy(struct wlr_backend *backend) {
 	wlr_drm_format_set_finish(&wl->shm_formats);
 	wlr_drm_format_set_finish(&wl->linux_dmabuf_v1_formats);
 
-	destroy_wl_seats(wl);
+	struct wlr_wl_seat *seat, *tmp_seat;
+	wl_list_for_each_safe(seat, tmp_seat, &wl->seats, link) {
+		destroy_wl_seat(seat);
+	}
+
 	if (wl->zxdg_decoration_manager_v1) {
 		zxdg_decoration_manager_v1_destroy(wl->zxdg_decoration_manager_v1);
 	}
diff --git a/backend/wayland/seat.c b/backend/wayland/seat.c
index b81fe219..35fc4dc2 100644
--- a/backend/wayland/seat.c
+++ b/backend/wayland/seat.c
@@ -246,34 +246,31 @@ bool create_wl_seat(struct wl_seat *wl_seat, struct wlr_wl_backend *wl) {
 	return true;
 }
 
-void destroy_wl_seats(struct wlr_wl_backend *wl) {
-	struct wlr_wl_seat *seat, *tmp_seat;
-	wl_list_for_each_safe(seat, tmp_seat, &wl->seats, link) {
-		if (seat->wl_touch) {
-			wl_touch_release(seat->wl_touch);
-			wlr_touch_finish(&seat->wlr_touch);
-		}
-		if (seat->wl_pointer) {
-			finish_seat_pointer(seat);
-		}
-		if (seat->wl_keyboard) {
-			wl_keyboard_release(seat->wl_keyboard);
+void destroy_wl_seat(struct wlr_wl_seat *seat) {
+	if (seat->wl_touch) {
+		wl_touch_release(seat->wl_touch);
+		wlr_touch_finish(&seat->wlr_touch);
+	}
+	if (seat->wl_pointer) {
+		finish_seat_pointer(seat);
+	}
+	if (seat->wl_keyboard) {
+		wl_keyboard_release(seat->wl_keyboard);
 
-			if (seat->backend->started) {
-				wlr_keyboard_finish(&seat->wlr_keyboard);
-			}
-		}
-		if (seat->zwp_tablet_seat_v2) {
-			finish_seat_tablet(seat);
+		if (seat->backend->started) {
+			wlr_keyboard_finish(&seat->wlr_keyboard);
 		}
+	}
+	if (seat->zwp_tablet_seat_v2) {
+		finish_seat_tablet(seat);
+	}
 
-		free(seat->name);
-		assert(seat->wl_seat);
-		wl_seat_destroy(seat->wl_seat);
+	free(seat->name);
+	assert(seat->wl_seat);
+	wl_seat_destroy(seat->wl_seat);
 
-		wl_list_remove(&seat->link);
-		free(seat);
-	}
+	wl_list_remove(&seat->link);
+	free(seat);
 }
 
 bool wlr_input_device_is_wl(struct wlr_input_device *dev) {
diff --git a/include/backend/wayland.h b/include/backend/wayland.h
index c23c0f9a..6dd457a5 100644
--- a/include/backend/wayland.h
+++ b/include/backend/wayland.h
@@ -149,7 +149,7 @@ void init_seat_tablet(struct wlr_wl_seat *seat);
 void finish_seat_tablet(struct wlr_wl_seat *seat);
 
 bool create_wl_seat(struct wl_seat *wl_seat, struct wlr_wl_backend *wl);
-void destroy_wl_seats(struct wlr_wl_backend *wl);
+void destroy_wl_seat(struct wlr_wl_seat *seat);
 void destroy_wl_buffer(struct wlr_wl_buffer *buffer);
 
 extern const struct wlr_pointer_impl wl_pointer_impl;
-- 
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