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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Akihiko Odaki , Mathieu Poirier Subject: [PULL 13/53] vhost-user-rng: Back up vqs before cleaning up vhost_dev Message-ID: <20230302082343.560446-14-mst@redhat.com> References: <20230302082343.560446-1-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230302082343.560446-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent 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=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1677746242799100003 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Akihiko Odaki vhost_dev_cleanup() clears vhost_dev so back up its vqs member to free the memory pointed by the member. Fixes: 821d28b88f ("vhost-user-rng: Add vhost-user-rng implementation") Signed-off-by: Akihiko Odaki Message-Id: <20230130140516.78078-1-akihiko.odaki@daynix.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-user-rng.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/virtio/vhost-user-rng.c b/hw/virtio/vhost-user-rng.c index 201a39e220..efc54cd3fb 100644 --- a/hw/virtio/vhost-user-rng.c +++ b/hw/virtio/vhost-user-rng.c @@ -229,6 +229,7 @@ static void vu_rng_device_realize(DeviceState *dev, Err= or **errp) return; =20 vhost_dev_init_failed: + g_free(rng->vhost_dev.vqs); virtio_delete_queue(rng->req_vq); virtio_add_queue_failed: virtio_cleanup(vdev); @@ -239,12 +240,12 @@ static void vu_rng_device_unrealize(DeviceState *dev) { VirtIODevice *vdev =3D VIRTIO_DEVICE(dev); VHostUserRNG *rng =3D VHOST_USER_RNG(dev); + struct vhost_virtqueue *vhost_vqs =3D rng->vhost_dev.vqs; =20 vu_rng_set_status(vdev, 0); =20 vhost_dev_cleanup(&rng->vhost_dev); - g_free(rng->vhost_dev.vqs); - rng->vhost_dev.vqs =3D NULL; + g_free(vhost_vqs); virtio_delete_queue(rng->req_vq); virtio_cleanup(vdev); vhost_user_cleanup(&rng->vhost_user); --=20 MST