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bh=CcVIYzU8Vah5IooifUfmsNNrxruf4I59VHvEBnISRbo=; b=bhLOb2ghVQvfQZCVrNEXqbXYb5h8WwCy5Ja5BWWRvATcoas5LYnJQYQX2aa9QvX3B/Ikc8 12J+JYfo0JAVF5pDtGCaD/2MqVFqrY5PjAs9KPoQRs+GAm85sFsG1zThvcL7EPxLrOIsvb DFllBtR0r/HPN9wVFI5OEkKXymzQ9j0= X-MC-Unique: lxXgxoNNP5a9eKs_l33_cA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PATCH 19/20] chardev: check if the chardev is registered for yanking Date: Tue, 2 Feb 2021 18:26:24 +0400 Message-Id: <20210202142625.609070-20-marcandre.lureau@redhat.com> In-Reply-To: <20210202142625.609070-1-marcandre.lureau@redhat.com> References: <20210202142625.609070-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.386, 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_H4=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Gerd Hoffmann , Cleber Rosa Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Marc-Andr=C3=A9 Lureau Not all chardevs are created via qmp_chardev_open_socket(), and those should not call the yank function registration, as this will eventually assert() not being registered. Signed-off-by: Marc-Andr=C3=A9 Lureau --- chardev/char-socket.c | 53 +++++++++++++++++++++++++++---------------- 1 file changed, 33 insertions(+), 20 deletions(-) diff --git a/chardev/char-socket.c b/chardev/char-socket.c index 8a707d766c..9061981f6d 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -417,8 +417,9 @@ static void tcp_chr_free_connection(Chardev *chr) =20 tcp_set_msgfds(chr, NULL, 0); remove_fd_in_watch(chr); - if (s->state =3D=3D TCP_CHARDEV_STATE_CONNECTING - || s->state =3D=3D TCP_CHARDEV_STATE_CONNECTED) { + if (s->registered_yank && + (s->state =3D=3D TCP_CHARDEV_STATE_CONNECTING + || s->state =3D=3D TCP_CHARDEV_STATE_CONNECTED)) { yank_unregister_function(CHARDEV_YANK_INSTANCE(chr->label), yank_generic_iochannel, QIO_CHANNEL(s->sioc)); @@ -940,9 +941,11 @@ static int tcp_chr_add_client(Chardev *chr, int fd) } tcp_chr_change_state(s, TCP_CHARDEV_STATE_CONNECTING); tcp_chr_set_client_ioc_name(chr, sioc); - yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), - yank_generic_iochannel, - QIO_CHANNEL(sioc)); + if (s->registered_yank) { + yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), + yank_generic_iochannel, + QIO_CHANNEL(sioc)); + } ret =3D tcp_chr_new_client(chr, sioc); object_unref(OBJECT(sioc)); return ret; @@ -957,9 +960,11 @@ static void tcp_chr_accept(QIONetListener *listener, =20 tcp_chr_change_state(s, TCP_CHARDEV_STATE_CONNECTING); tcp_chr_set_client_ioc_name(chr, cioc); - yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), - yank_generic_iochannel, - QIO_CHANNEL(cioc)); + if (s->registered_yank) { + yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), + yank_generic_iochannel, + QIO_CHANNEL(cioc)); + } tcp_chr_new_client(chr, cioc); } =20 @@ -975,9 +980,11 @@ static int tcp_chr_connect_client_sync(Chardev *chr, E= rror **errp) object_unref(OBJECT(sioc)); return -1; } - yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), - yank_generic_iochannel, - QIO_CHANNEL(sioc)); + if (s->registered_yank) { + yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), + yank_generic_iochannel, + QIO_CHANNEL(sioc)); + } tcp_chr_new_client(chr, sioc); object_unref(OBJECT(sioc)); return 0; @@ -993,9 +1000,11 @@ static void tcp_chr_accept_server_sync(Chardev *chr) tcp_chr_change_state(s, TCP_CHARDEV_STATE_CONNECTING); sioc =3D qio_net_listener_wait_client(s->listener); tcp_chr_set_client_ioc_name(chr, sioc); - yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), - yank_generic_iochannel, - QIO_CHANNEL(sioc)); + if (s->registered_yank) { + yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), + yank_generic_iochannel, + QIO_CHANNEL(sioc)); + } tcp_chr_new_client(chr, sioc); object_unref(OBJECT(sioc)); } @@ -1124,9 +1133,11 @@ static void qemu_chr_socket_connected(QIOTask *task,= void *opaque) =20 if (qio_task_propagate_error(task, &err)) { tcp_chr_change_state(s, TCP_CHARDEV_STATE_DISCONNECTED); - yank_unregister_function(CHARDEV_YANK_INSTANCE(chr->label), - yank_generic_iochannel, - QIO_CHANNEL(sioc)); + if (s->registered_yank) { + yank_unregister_function(CHARDEV_YANK_INSTANCE(chr->label), + yank_generic_iochannel, + QIO_CHANNEL(sioc)); + } check_report_connect_error(chr, err); goto cleanup; } @@ -1160,9 +1171,11 @@ static void tcp_chr_connect_client_async(Chardev *ch= r) tcp_chr_change_state(s, TCP_CHARDEV_STATE_CONNECTING); sioc =3D qio_channel_socket_new(); tcp_chr_set_client_ioc_name(chr, sioc); - yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), - yank_generic_iochannel, - QIO_CHANNEL(sioc)); + if (s->registered_yank) { + yank_register_function(CHARDEV_YANK_INSTANCE(chr->label), + yank_generic_iochannel, + QIO_CHANNEL(sioc)); + } /* * Normally code would use the qio_channel_socket_connect_async * method which uses a QIOTask + qio_task_set_error internally --=20 2.29.0