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Tsirkin" Cc: Cindy Lu , Jason Wang , Laurent Vivier , Xuan Zhuo , Maxime Coquelin , linux-kernel@vger.kernel.org, Yongji Xie , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Stefano Garzarella , virtualization@lists.linux.dev Subject: [PATCH v2 1/5] vduse: store control device pointer Date: Tue, 10 Feb 2026 09:25:50 +0100 Message-ID: <20260210082554.1582553-2-eperezma@redhat.com> In-Reply-To: <20260210082554.1582553-1-eperezma@redhat.com> References: <20260210082554.1582553-1-eperezma@redhat.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-MFC-PROC-ID: 1KDlN52cS3U8l_HJMlEfeNgi7TlaqTGL9i2x4ZfsNcg_1770711965 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This helps log the errors in next patches. The alternative is to perform a linear search for it with class_find_device_by_devt(class, devt), as device_destroy do for cleaning. Signed-off-by: Eugenio Pérez --- drivers/vdpa/vdpa_user/vduse_dev.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 405d59610f76..d1da7c15d98b 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -164,6 +164,7 @@ static DEFINE_IDR(vduse_idr); static dev_t vduse_major; static struct cdev vduse_ctrl_cdev; +static const struct device *vduse_ctrl_dev; static struct cdev vduse_cdev; static struct workqueue_struct *vduse_irq_wq; static struct workqueue_struct *vduse_irq_bound_wq; @@ -2396,7 +2397,6 @@ static void vduse_mgmtdev_exit(void) static int vduse_init(void) { int ret; - struct device *dev; ret = class_register(&vduse_class); if (ret) @@ -2413,9 +2413,9 @@ static int vduse_init(void) if (ret) goto err_ctrl_cdev; - dev = device_create(&vduse_class, NULL, vduse_major, NULL, "control"); - if (IS_ERR(dev)) { - ret = PTR_ERR(dev); + vduse_ctrl_dev = device_create(&vduse_class, NULL, vduse_major, NULL, "control"); + if (IS_ERR(vduse_ctrl_dev)) { + ret = PTR_ERR(vduse_ctrl_dev); goto err_device; } -- 2.53.0