[PATCH] media: tm6000: add error handling for dvb_register_adapter

[Zhouyang Jia]

When dvb_register_adapter fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling dvb_register_adapter.

Signed-off-by: Zhouyang Jia <jiazhouyan...@gmail.com>
---
 drivers/media/usb/tm6000/tm6000-dvb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/media/usb/tm6000/tm6000-dvb.c 
b/drivers/media/usb/tm6000/tm6000-dvb.c
index c811fc6..ff35d4b 100644
--- a/drivers/media/usb/tm6000/tm6000-dvb.c
+++ b/drivers/media/usb/tm6000/tm6000-dvb.c
@@ -266,6 +266,11 @@ static int register_dvb(struct tm6000_core *dev)
 
        ret = dvb_register_adapter(&dvb->adapter, "Trident TVMaster 6000 DVB-T",
                                        THIS_MODULE, &dev->udev->dev, 
adapter_nr);
+       if (ret < 0) {
+               printk(KERN_ERR "tm6000: couldn't register the adater!\n");
+               goto err;
+       }
+
        dvb->adapter.priv = dev;
 
        if (dvb->frontend) {
-- 
2.7.4