On Tue, May 18, 2010 at 02:06:07PM -0700, Chris Wright wrote:
> * Greg KH (greg@xxxxxxxxx) wrote:
> > On Tue, May 18, 2010 at 04:44:09PM +1000, Stephen Rothwell wrote:
> > > Hi Greg,
> > >
> > > After merging the driver-core tree, today's linux-next build (powerpc
> > > ppc64_defconfig) failed like this:
> > >
> > > cc1: warnings being treated as errors
> > > In file included from include/linux/kobject.h:21,
> > > from include/linux/device.h:17,
> > > from arch/powerpc/lib/devres.c:10:
> > > include/linux/sysfs.h:97: error: 'struct file' declared inside parameter list
> > > include/linux/sysfs.h:97: error: its scope is only this definition or declaration, which is probably not what you want
> > > include/linux/sysfs.h:99: error: 'struct file' declared inside parameter list
> > > include/linux/sysfs.h:101: error: 'struct file' declared inside parameter list
> > >
> > > and many more (arch/powerpc is built with -Werror (as do some other
> > > architectures)) and lots of similar warnings ...
> > >
> > > Caused by commit f8e898186196a22756b50b908ecd92123265f8a2 ("sysfs: add
> > > struct file* to bin_attr callbacks"). See Rule 1 in
> > > Documentation/SubmitChecklist. The header file probably just needs
> > > "struct file;" added in the right place.
> > >
> > > I have reverted that commit for today (and commit
> > > 44e425ab9f887ec6d3a7a4481f3b0c99f120de19 ("pci: check caps from sysfs
> > > file open to read device dependent config space") that depends on it).
> >
> > Ick.
> >
> > Chris, care to send a patch to resolve this?
>
> Would you prefer incremental to fold in, or respin? It's just this
> one-liner fwd declaration as Stephen mentioned.
Incremental to fold in is easier. That way there's no build error in
the tree.
thanks,
greg k-h
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