Re: [PATCH 5/6] fs: define a string representation of the kernel_read_file_id enumeration

From: Andy Shevchenko
Date: Thu Apr 21 2016 - 13:12:52 EST


On Thu, 2016-04-21 at 09:47 -0700, Kees Cook wrote:
> On Thu, Apr 21, 2016 at 6:26 AM, Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> >
> > On Wed, 2016-04-20 at 15:46 -0700, Kees Cook wrote:
> > >
> > > From: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
> > >
> > > A string representation of the kernel_read_file_id enumeration is
> > > needed for displaying messages (eg. pr_info, auditing) that can be
> > > used by multiple LSMs and the integrity subsystem.ÂÂTo simplify
> > > keeping the list of strings up to date with the enumeration, this
> > > patch defines two new preprocessing macros named __fid_enumify and
> > > __fid_stringify to create the enumeration and an array of strings.
> > > kernel_read_file_id_str() returns a string based on the
> > > enumeration.


> > I got this
> >
> > In file included from /home/andy/prj/linux-
> > topic/include/linux/seq_file.h:10:0,
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom /home/andy/prj/linux-
> > topic/include/linux/pinctrl/consumer.h:17,
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom /home/andy/prj/linux-
> > topic/include/linux/pinctrl/devinfo.h:21,
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom /home/andy/prj/linux-
> > topic/include/linux/device.h:24,
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom /home/andy/prj/linux-
> > topic/include/linux/dmaengine.h:20,
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom /home/andy/prj/linux-
> > topic/drivers/dma/dw/core.c:15:
> > /home/andy/prj/linux-topic/include/linux/fs.h:2627:74: warning: type
> > qualifiers ignored on function return type [-Wignored-qualifiers]
> > Âstatic inline const char * const kernel_read_file_id_str(enum
> > kernel_read_file_id id)
> What gcc version are you using? Seems like I need to drop the added
> "const" on the return?


$ gcc --version
gcc (Debian 5.3.1-14) 5.3.1 20160409


Build was done withÂ
$ make W=1


--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy