Messages in this thread Patch in this message | | | From | Zhouyang Jia <> | Subject | [PATCH] media: tm6000: add error handling for dvb_register_adapter | Date | Mon, 11 Jun 2018 12:39:20 +0800 |
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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 <jiazhouyang09@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
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