From: "Bjørn Mork" <bjorn@mork.no>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Oliver Neukum <oneukum@suse.de>,
Sarah Sharp <sarah.a.sharp@linux.intel.com>,
linux-kernel@vger.kernel.org,
"linux-usb\@vger.kernel.org" <linux-usb@vger.kernel.org>, "Lan\,
Tianyu" <tianyu.lan@intel.com>
Subject: Re: BUG: unable to handle kernel paging request in usb_match_id()
Date: Fri, 17 Aug 2012 10:52:13 +0200 [thread overview]
Message-ID: <87wr0xnbnm.fsf@nemi.mork.no> (raw)
In-Reply-To: <20120817054441.GA28434@localhost> (Fengguang Wu's message of "Fri, 17 Aug 2012 13:44:41 +0800")
Fengguang Wu <fengguang.wu@intel.com> writes:
> @@ -779,6 +780,7 @@ static int usb_device_match(struct devic
> intf = to_usb_interface(dev);
> usb_drv = to_usb_driver(drv);
>
> + pr_info("%s: device %s, driver %s \n", __func__, dev_name(dev), drv->name);
> id = usb_match_id(intf, usb_drv->id_table);
> if (id)
> return 1;
> [ 1.397745] usb_match_id: id=c1d80820 idVendor=0x18f3 idProduct=0x220
> [ 1.398834] usbcore: registered new interface driver dvb_usb_dtt200u
> [ 1.399943] usb_device_match: device 1-0:1.0, driver dvb_usb_nova_t_usb2
> [ 1.401095] usb_match_id: id=c1d81b6c idVendor=0x2040 idProduct=0x9300
> [ 1.402195] usb_match_id: id=c1d81b84 idVendor=0x2040 idProduct=0x9301
> [ 1.403270] usbcore: registered new interface driver dvb_usb_nova_t_usb2
> [ 1.404158] usb_device_match: device 1-0:1.0, driver dvb_usb_umt_010
> [ 1.404861] usb_match_id: id=c1d824f4 idVendor=0x15f4 idProduct=0x1
> [ 1.405547] usb_match_id: id=c1d8250c idVendor=0x15f4 idProduct=0x15
> [ 1.406326] usbcore: registered new interface driver dvb_usb_umt_010
> [ 1.407190] usb_device_match: device 1-0:1.0, driver dvb_usb_gl861
Why is dev_name(dev) constant here? That seems more than odd to me. Is
this really the same interface matching all these drivers?
Bjørn
next prev parent reply other threads:[~2012-08-17 8:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-05 2:59 BUG: unable to handle kernel paging request in usb_match_id() Fengguang Wu
2012-08-05 16:58 ` Greg Kroah-Hartman
2012-08-17 2:00 ` Fengguang Wu
2012-08-17 3:48 ` Greg Kroah-Hartman
2012-08-17 5:44 ` Fengguang Wu
2012-08-17 8:52 ` Bjørn Mork [this message]
2012-08-17 9:07 ` Bjørn Mork
2012-08-17 9:27 ` Fengguang Wu
2012-08-17 10:24 ` Fengguang Wu
2012-08-17 12:16 ` Ming Lei
2012-08-17 13:45 ` Greg Kroah-Hartman
2012-08-17 14:38 ` Alan Stern
2012-08-17 14:42 ` Greg Kroah-Hartman
2012-08-18 0:58 ` Ming Lei
2012-08-19 10:23 ` Bjørn Mork
2012-08-19 14:35 ` Greg Kroah-Hartman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87wr0xnbnm.fsf@nemi.mork.no \
--to=bjorn@mork.no \
--cc=fengguang.wu@intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=oneukum@suse.de \
--cc=sarah.a.sharp@linux.intel.com \
--cc=stern@rowland.harvard.edu \
--cc=tianyu.lan@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).