Re: 2.6.17-rc4-mm1

Stephen Hemminger
2006-05-16T16:27:21Z

On Tue, 16 May 2006 09:08:42 -0700
Greg KH <gregkh@suse.de> wrote:

> On Tue, May 16, 2006 at 05:23:46PM +0200, Jean Delvare wrote:
> > Quoting myself:
> > > And the winner is...
> > > gregkh-driver-driver-core-class_device_add-needs-error-checks.patch
> > >
> > > Stephen, Greg?
> >
> > Indeed this patch breaks class_device_add in the success case...
> >
> > Andrew, maybe you want to put this in the hot-fixes directory for
> > 2.6.17-rc1-mm4, as the problem hits all drivers which register with a
> > class.
> >
> > Fix class_device_add success case after
> > gregkh-driver-driver-core-class_device_add-needs-error-checks.patch
> > broke it. class_dev was no more put and class_name was no more freed
> > before leaving. The former caused locks on driver removal (class_dev
> > usage count could never be 0.)
> >
> > This fix should be folded into
> > gregkh-driver-driver-core-class_device_add-needs-error-checks.patch
> >
> > Signed-off-by: Jean Delvare <khali@linux-fr.org>
> > ---
> > drivers/base/class.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > --- linux-2.6.17-rc4-mm1.orig/drivers/base/class.c 2006-05-16 16:38:02.000000000 +0200
> > +++ linux-2.6.17-rc4-mm1/drivers/base/class.c 2006-05-16 17:00:24.000000000 +0200
> > @@ -620,7 +620,7 @@
> > }
> > up(&parent_class->sem);
> >
> > - return 0;
> > + goto out1;
> >
>
> Thanks for catching this. I've merged this with Stephen's original
> patch.
>
> thanks again,
>
> greg k-h

ditto, hmm, one more need for a test suite for basic driver stuff