media: dvbdev: Fix memleak in dvb_register_device

When device_create() fails, dvbdev and dvbdevfops should
be freed just like when dvb_register_media_device() fails.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 959fa2820259752e7a56dff3b7c64c54651fb2e6..5ff7bedee2477adb8727be3da2474b07ceaaa61f 100644 (file)
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -539,6 +539,9 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
        if (IS_ERR(clsdev)) {
                pr_err("%s: failed to create device dvb%d.%s%d (%ld)\n",
                       __func__, adap->num, dnames[type], id, PTR_ERR(clsdev));
+               dvb_media_device_free(dvbdev);
+               kfree(dvbdevfops);
+               kfree(dvbdev);
                return PTR_ERR(clsdev);
        }
        dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n",