vhost: fix memory leak in vhost_user_scsi_realize

fix memory leak in vhost_user_scsi_realize

Signed-off-by: Jie Wang <wangjie88@huawei.com>
Message-Id: <1556608500-12183-1-git-send-email-wangjie88@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c
index 8b1e6876db89e8617a7939af64684ff4ae05b9d9..a9fd8ea305b67bad42b4d0a6bccb2e316365d24d 100644 (file)
--- a/hw/scsi/vhost-user-scsi.c
+++ b/hw/scsi/vhost-user-scsi.c
@@ -69,6 +69,7 @@ static void vhost_user_scsi_realize(DeviceState *dev, Error **errp)
     VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(dev);
     VHostUserSCSI *s = VHOST_USER_SCSI(dev);
     VHostSCSICommon *vsc = VHOST_SCSI_COMMON(s);
+    struct vhost_virtqueue *vqs = NULL;
     Error *err = NULL;
     int ret;
 
@@ -93,6 +94,7 @@ static void vhost_user_scsi_realize(DeviceState *dev, Error **errp)
     vsc->dev.vqs = g_new(struct vhost_virtqueue, vsc->dev.nvqs);
     vsc->dev.vq_index = 0;
     vsc->dev.backend_features = 0;
+    vqs = vsc->dev.vqs;
 
     ret = vhost_dev_init(&vsc->dev, &s->vhost_user,
                          VHOST_BACKEND_TYPE_USER, 0);
@@ -100,6 +102,7 @@ static void vhost_user_scsi_realize(DeviceState *dev, Error **errp)
         error_setg(errp, "vhost-user-scsi: vhost initialization failed: %s",
                    strerror(-ret));
         vhost_user_cleanup(&s->vhost_user);
+        g_free(vqs);
         return;
     }