From 87800d940584cb22fbfa1a0da61f2365e6ede3a8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Thu, 16 Dec 2021 12:32:33 +0400 Subject: ui: fix gtk clipboard clear assertion MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When closing the QEMU Gtk display window, it can occasionaly warn: qemu-system-x86_64: Gtk: gtk_clipboard_set_with_data: assertion 'targets != NULL' failed #3 0x00007ffff4f02f22 in gtk_clipboard_set_with_data (clipboard=, targets=, n_targets=, get_func=, clear_func=, user_data=) at /usr/src/debug/gtk3-3.24.30-4.fc35.x86_64/gtk/gtkclipboard.c:672 #4 0x00007ffff552cd75 in gd_clipboard_update_info (gd=0x5555579a9e00, info=0x555557ba4b50) at ../ui/gtk-clipboard.c:98 #5 0x00007ffff552ce00 in gd_clipboard_notify (notifier=0x5555579aaba8, data=0x7fffffffd720) at ../ui/gtk-clipboard.c:128 #6 0x000055555603e0ff in notifier_list_notify (list=0x555556657470 , data=0x7fffffffd720) at ../util/notify.c:39 #7 0x000055555594e8e0 in qemu_clipboard_update (info=0x555557ba4b50) at ../ui/clipboard.c:54 #8 0x000055555594e840 in qemu_clipboard_peer_release (peer=0x55555684a5b0, selection=QEMU_CLIPBOARD_SELECTION_PRIMARY) at ../ui/clipboard.c:40 #9 0x000055555594e786 in qemu_clipboard_peer_unregister (peer=0x55555684a5b0) at ../ui/clipboard.c:19 #10 0x000055555595f044 in vdagent_disconnect (vd=0x55555684a400) at ../ui/vdagent.c:852 #11 0x000055555595f262 in vdagent_chr_fini (obj=0x55555684a400) at ../ui/vdagent.c:908 Signed-off-by: Marc-André Lureau Message-Id: <20211216083233.1166504-1-marcandre.lureau@redhat.com> Signed-off-by: Gerd Hoffmann --- ui/gtk-clipboard.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'ui') diff --git a/ui/gtk-clipboard.c b/ui/gtk-clipboard.c index e0b8b28..d58fd76 100644 --- a/ui/gtk-clipboard.c +++ b/ui/gtk-clipboard.c @@ -83,7 +83,7 @@ static void gd_clipboard_update_info(GtkDisplayState *gd, if (info != qemu_clipboard_info(s)) { gd->cbpending[s] = 0; if (!self_update) { - GtkTargetList *list; + g_autoptr(GtkTargetList) list = NULL; GtkTargetEntry *targets; gint n_targets; @@ -94,15 +94,16 @@ static void gd_clipboard_update_info(GtkDisplayState *gd, targets = gtk_target_table_new_from_list(list, &n_targets); gtk_clipboard_clear(gd->gtkcb[s]); - gd->cbowner[s] = true; - gtk_clipboard_set_with_data(gd->gtkcb[s], - targets, n_targets, - gd_clipboard_get_data, - gd_clipboard_clear, - gd); - - gtk_target_table_free(targets, n_targets); - gtk_target_list_unref(list); + if (targets) { + gd->cbowner[s] = true; + gtk_clipboard_set_with_data(gd->gtkcb[s], + targets, n_targets, + gd_clipboard_get_data, + gd_clipboard_clear, + gd); + + gtk_target_table_free(targets, n_targets); + } } return; } -- cgit v1.1