Hi Peter,
On Sunday, October 11, 2020 7:41 AM Peter Chen wrote:
>
> On 20-10-10 14:03:08, Ran Wang wrote:
> > fsl_usb2_device_register() should stop init if dma_set_mask() return
> > error.
> >
> > Fixes: cae058610465 ("drivers/usb/host: fsl: Set DMA_MASK of usb
> > platform device")
> > Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx>
> > ---
> > drivers/usb/host/fsl-mph-dr-of.c | 9 ++++++---
> > 1 file changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/usb/host/fsl-mph-dr-of.c
> > b/drivers/usb/host/fsl-mph-dr-of.c
> > index ae8f60f..44a7e58 100644
> > --- a/drivers/usb/host/fsl-mph-dr-of.c
> > +++ b/drivers/usb/host/fsl-mph-dr-of.c
> > @@ -94,10 +94,13 @@ static struct platform_device
> > *fsl_usb2_device_register(
> >
> > pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
> >
> > - if (!pdev->dev.dma_mask)
> > + if (!pdev->dev.dma_mask) {
> > pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
> > - else
> > - dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
> > + } else {
> > + retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
> > + if (retval)
> > + goto error;
> > + }
> >
> > retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
> > if (retval)
> > --
> > 2.7.4
> >
>
> Reviewed-by: Peter Chen <peter.chen@xxxxxxx>
>
> One more place need to fix, if platform_device_alloc returns NULL,
> it should not call platform_device_put to release platform
> device memory.
>
> pdev = platform_device_alloc(name, id);
> if (!pdev) {
> retval = -ENOMEM;
> goto error;
> }
> ...
> error:
> platform_device_put(pdev);
> return ERR_PTR(retval);
Got it, let me check this later.
Thanks & Regards,
Ran
