Hi Wei, Thank you for the patch. On Tuesday 25 Apr 2017 03:08:08 Wei Yongjun wrote: > From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> > > In case of error, the function devm_ioremap_resource() returns ERR_PTR() > and never returns NULL. The NULL test in the return value check should > be replaced with IS_ERR(). > > Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> and applied to my tree. I'll send a pull request for v4.13. > --- > drivers/gpu/drm/shmobile/shmob_drm_drv.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c > b/drivers/gpu/drm/shmobile/shmob_drm_drv.c index 800d1d2..6bd777a 100644 > --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c > +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c > @@ -235,8 +235,8 @@ static int shmob_drm_probe(struct platform_device *pdev) > > res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > sdev->mmio = devm_ioremap_resource(&pdev->dev, res); > - if (sdev->mmio == NULL) > - return -ENOMEM; > + if (IS_ERR(sdev->mmio)) > + return PTR_ERR(sdev->mmio); > > ret = shmob_drm_setup_clocks(sdev, pdata->clk_source); > if (ret < 0) -- Regards, Laurent Pinchart
