Em Fri, 24 Jun 2016 18:38:42 +0100
Luis de Bethencourt <luisbg@xxxxxxxxxxxxxxx> escreveu:
> On 24/06/16 16:31, Mauro Carvalho Chehab wrote:
> > The PCI device ID table is only used if compiled with modules
> > support. When compiled with modules disabled, this is now
> > producing this bogus warning:
> >
> > drivers/media/pci/cx25821/cx25821-alsa.c:696:35: warning: 'cx25821_audio_pci_tbl' defined but not used [-Wunused-const-variable=]
> > static const struct pci_device_id cx25821_audio_pci_tbl[] = {
> > ^~~~~~~~~~~~~~~~~~~~~
> >
> > Fix it by annotating that the function may not be used.
> >
> > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
> > ---
> > drivers/media/pci/cx25821/cx25821-alsa.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/media/pci/cx25821/cx25821-alsa.c b/drivers/media/pci/cx25821/cx25821-alsa.c
> > index b602eba2b601..df189b16af12 100644
> > --- a/drivers/media/pci/cx25821/cx25821-alsa.c
> > +++ b/drivers/media/pci/cx25821/cx25821-alsa.c
> > @@ -693,7 +693,7 @@ static int snd_cx25821_pcm(struct cx25821_audio_dev *chip, int device,
> > * Only boards with eeprom and byte 1 at eeprom=1 have it
> > */
> >
> > -static const struct pci_device_id cx25821_audio_pci_tbl[] = {
> > +static const struct pci_device_id __maybe_unused cx25821_audio_pci_tbl[] = {
> > {0x14f1, 0x0920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
> > {0,}
> > };
> >
>
> In which branch is this happening? I can't seem to be able to reproduce it.
It is at the master branch. It appears if compiled with W=1 and
gcc 6.1.
Thanks,
Mauro
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