Hi Yue,
Thank you for the patch.
On Monday, 17 December 2018 11:18:30 EET YueHaibing wrote:
> 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().
>
> Fixes: 8f1597c8f1a5 ("drm: shmobile: Perform initialization/cleanup at
> probe/remove time")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
and applied to my tree.
> ---
> 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 8554102..f2cfd16 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> @@ -229,8 +229,8 @@ 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
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