Thanks Tomi.
Regards,
-Dongsheng
>
> On 24/11/15 08:27, Dongsheng Wang wrote:
> > From: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxx>
> >
> > If diu_ops is not implemented on platform, kernel will access a null
> > pointer. we need to check this pointer in diu initialization.
> >
> > Signed-off-by: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxx>
> >
> > diff --git a/drivers/video/fbdev/fsl-diu-fb.c
> > b/drivers/video/fbdev/fsl-diu-fb.c
> > index b335c1a..288b5e4 100644
> > --- a/drivers/video/fbdev/fsl-diu-fb.c
> > +++ b/drivers/video/fbdev/fsl-diu-fb.c
> > @@ -479,7 +479,10 @@ static enum fsl_diu_monitor_port
> fsl_diu_name_to_port(const char *s)
> > port = FSL_DIU_PORT_DLVDS;
> > }
> >
> > - return diu_ops.valid_monitor_port(port);
> > + if (diu_ops.valid_monitor_port)
> > + port = diu_ops.valid_monitor_port(port);
> > +
> > + return port;
> > }
> >
> > /*
> > @@ -1697,6 +1700,9 @@ static int fsl_diu_probe(struct platform_device *pdev)
> > unsigned int i;
> > int ret;
> >
> > + if (!diu_ops.set_pixel_clock)
> > + return -ENODEV;
> > +
> > data = dmam_alloc_coherent(&pdev->dev, sizeof(struct fsl_diu_data),
> > &dma_addr, GFP_DMA | __GFP_ZERO);
> > if (!data)
> >
>
> Thanks, queued for 4.5.
>
> Tomi
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