From patchwork Fri Jan 14 06:53:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12713431 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ECBEAC433F5 for ; Fri, 14 Jan 2022 07:09:55 +0000 (UTC) Received: from localhost ([::1]:60724 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8Gig-0001KO-Nr for qemu-devel@archiver.kernel.org; Fri, 14 Jan 2022 02:09:54 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50508) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8GUc-0007bP-76 for qemu-devel@nongnu.org; Fri, 14 Jan 2022 01:55:22 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:58322) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8GUa-0007VH-BO for qemu-devel@nongnu.org; Fri, 14 Jan 2022 01:55:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1642143319; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nqyD7tE91mqrOgFLxd3dax6i3IBUTo/Va3nEmP8VFy8=; b=RQmpY4E6rsBH1n7i2eGYavGabQY9RtR5eo7MCDA39nm/M38WUIuy3Gzq8GrYcUlgk/SBfY WOnbzKKtoSeIeiNEPm+SB3Jx447H0dQZ80rzgvjDDJbVvAVvWQzOXmy0VvsJjIPonIvO+N HJDzgZGaoAtheNzj2snaJNedYn44oJU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-78-B_dq6mDuP26kT-9z2FZJZg-1; Fri, 14 Jan 2022 01:55:16 -0500 X-MC-Unique: B_dq6mDuP26kT-9z2FZJZg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C7181189DF41; Fri, 14 Jan 2022 06:55:14 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.193.24]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6C7944699B; Fri, 14 Jan 2022 06:55:14 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id C5E5118007A2; Fri, 14 Jan 2022 07:53:26 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 08/20] ui: fix gtk clipboard clear assertion Date: Fri, 14 Jan 2022 07:53:14 +0100 Message-Id: <20220114065326.782420-9-kraxel@redhat.com> In-Reply-To: <20220114065326.782420-1-kraxel@redhat.com> References: <20220114065326.782420-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.595, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Aleksandar Rikalo , "Michael S. Tsirkin" , Christian Schoenebeck , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= , Markus Armbruster , =?utf-8?q?Herv=C3=A9_Poussineau?= , Gerd Hoffmann , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Eric Blake Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Marc-André Lureau 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 | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/ui/gtk-clipboard.c b/ui/gtk-clipboard.c index e0b8b283fef8..d58fd761abdf 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); + 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); - gtk_target_list_unref(list); + gtk_target_table_free(targets, n_targets); + } } return; }