On Wed, 12 Sep 2007 14:53:56 -0700
Greg KH <[email protected]> wrote:
> On Wed, Sep 12, 2007 at 03:48:49PM +0400, Alexey Dobriyan wrote:
> > On 9/12/07, Jeff Garzik <[email protected]> wrote:
> > > Kees Cook wrote:
> > > > This patch against 2.6.23-rc6 fixes a couple drivers that do not
> > > > correctly terminate their pci_device_id lists. This results in garbage
> > > > being spewed into modules.pcimap when the module happens to not have
> > > > 28 NULL bytes following the table, and/or the last PCI ID is actually
> > > > truncated from the table when calculating the modules.alias PCI aliases,
> > > > cause those unfortunate device IDs to not auto-load.
> > > >
> > > > Signed-off-by: Kees Cook <[email protected]>
> > >
> > > ACK
> >
> > I mut say, non-terminated PCI ids lists are constant PITA. There should be
> > a way to a) put it in macro[1], so that terminator automatically added, and
> > b) still allow #ifdef inside table like, e.g. 8139too does.
> >
> > [1] or not macro, because #ifdef inside macros aren't allowed.
>
> If you know of a way to do this in an easier manner, patches are always
> gladly accepted :)
Change (ie: fix) the APIs to take a `length' arg, then fix up 10^42 drivers.
Oh, you said "easy" ;)
Perhaps there's some clever way in which we can check that the tables are
correctly terminated. I guess some static code-checker could do it. A
weaker option would be to do some runtime hack which carefully walks the
table and checks stuff.
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