On Mon, 26 Aug 2019, at 21:27, Wei Yongjun wrote: > In case of error, the function of_platform_device_create() returns > NULL pointer not ERR_PTR(). The IS_ERR() test in the return value > check should be replaced with NULL test. > > Fixes: 09eed7fffd33 ("mmc: Add support for the ASPEED SD controller") > Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> > --- > drivers/mmc/host/sdhci-of-aspeed.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-of-aspeed.c > b/drivers/mmc/host/sdhci-of-aspeed.c > index 8bb095ca2fa9..d5acb5afc50f 100644 > --- a/drivers/mmc/host/sdhci-of-aspeed.c > +++ b/drivers/mmc/host/sdhci-of-aspeed.c > @@ -261,9 +261,9 @@ static int aspeed_sdc_probe(struct platform_device > *pdev) > struct platform_device *cpdev; > > cpdev = of_platform_device_create(child, NULL, &pdev->dev); > - if (IS_ERR(cpdev)) { > + if (!cpdev) { > of_node_put(child); > - ret = PTR_ERR(cpdev); > + ret = -ENODEV; > goto err_clk; > } > } I ... have no idea why I wrote it that way. I must have just assumed it returned an ERR_PTR(). Thanks for finding/fixing that. Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx>