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From: "Henrik Rydberg" <rydberg@euromail.se>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>
Subject: Re: [PATCH 1/2 V3] applesmc: Use PnP rather than hardcoding resources and devices
Date: Sat, 18 Dec 2010 16:30:12 +0100	[thread overview]
Message-ID: <20101218153012.GA1506@polaris.bitmath.org> (raw)
In-Reply-To: <20101218144329.GB21801@srcf.ucam.org>

> Hm. Is this an oops or a lockdep warning?

It is a null-pointer dereference in sysfs_create_file(). Probably the
kernel is asking the same question as I did - do you actually see the
sysfs nodes when testing the patch?

> > So where to attach the sysfs nodes... There is also a userspace issue
> > here, since a lot of applications are hard-wired to
> > /sys/devices/platform/applesmc.768/.
> 
> The correct sysfs ABI is to use the /sys/class interface and the names 
> under there rather than assuming a hardwired platform device path.

Still breaks user-space, but it seems this is already under control.

Thanks,
Henrik

  reply	other threads:[~2010-12-18 15:30 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-16 15:33 [PATCH 1/2] applesmc: Use PnP rather than hardcoding resources and devices Matthew Garrett
2010-12-16 15:33 ` [PATCH 2/2] applesmc: Perform some more sanity checking on temperatures Matthew Garrett
2010-12-16 16:48 ` [PATCH 1/2] applesmc: Use PnP rather than hardcoding resources and devices Henrik Rydberg
2010-12-16 17:00   ` Matthew Garrett
2010-12-16 17:00 ` [lm-sensors] " Guenter Roeck
2010-12-17 21:57   ` Matthew Garrett
2010-12-17 21:58   ` Matthew Garrett
2010-12-17 22:16     ` Guenter Roeck
2010-12-17 22:22       ` Matthew Garrett
2010-12-17 22:24       ` [PATCH 1/2 V3] " Matthew Garrett
2010-12-18  4:23         ` Guenter Roeck
2010-12-18  9:07           ` Henrik Rydberg
2010-12-18 14:40             ` Matthew Garrett
2010-12-18 15:31               ` Henrik Rydberg
2010-12-18  9:37           ` Henrik Rydberg
2010-12-18 10:09             ` [lm-sensors] " Jean Delvare
2010-12-18 10:31               ` Henrik Rydberg
2010-12-18 11:29                 ` Julien BLACHE
2010-12-18 11:57                   ` Henrik Rydberg
2010-12-20 13:44                     ` Mikael Ström
2010-12-20 13:57                       ` Jean Delvare
2010-12-20 14:23                         ` Henrik Rydberg
2010-12-20 14:28                           ` Matthew Garrett
2010-12-20 15:06                             ` Henrik Rydberg
2010-12-20 15:12                               ` Matthew Garrett
2010-12-20 15:37                                 ` Henrik Rydberg
2010-12-20 14:00                       ` Matthew Garrett
2010-12-21  6:04                         ` Mikael Ström
2010-12-21 11:09                           ` Julien BLACHE
2010-12-18 14:43             ` Matthew Garrett
2010-12-18 15:30               ` Henrik Rydberg [this message]
2010-12-18 15:39                 ` Matthew Garrett
2010-12-17 22:24       ` [PATCH 2/2 V3] applesmc: Perform some more sanity checking on temperatures Matthew Garrett
2010-12-17 21:58   ` [PATCH 2/2] " Matthew Garrett

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