linux-kernel - Re: [syzbot] [usb?] INFO: task hung in dvb_usb_i2c

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Message-ID: <tencent_B0F292D9064049B26EFC6ECACC8227E4C606@qq.com>
Date: Tue, 13 May 2025 14:50:23 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+0dcc341ee61fc9e4032f@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] INFO: task hung in dvb_usb_i2c_exit

#syz test

diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c
index f44529b40989..855d66043b85 100644
--- a/drivers/media/usb/dvb-usb/cxusb.c
+++ b/drivers/media/usb/dvb-usb/cxusb.c
@@ -1600,13 +1600,12 @@ static int cxusb_probe(struct usb_interface *intf,
 	struct dvb_usb_device *dvbdev;
 	int ret;
 
+	if (!cxusb_medion_check_intf(intf)) {
+		return -ENODEV;
+
 	/* Medion 95700 */
 	if (!dvb_usb_device_init(intf, &cxusb_medion_properties,
 				 THIS_MODULE, &dvbdev, adapter_nr)) {
-		if (!cxusb_medion_check_intf(intf)) {
-			ret = -ENODEV;
-			goto ret_uninit;
-		}
 
 		_cxusb_power_ctrl(dvbdev, 1);
 		ret = cxusb_medion_set_mode(dvbdev, false);