Messages in this thread | | | Date | Wed, 4 Jan 2023 10:19:28 +0100 | Subject | Re: [PATCH v2] soc: imx8m: fix wrong return value check of of_clk_get_by_name() | From | Ahmad Fatoum <> |
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On 04.01.23 10:27, Yang Yingliang wrote: > of_clk_get_by_name() never returns NULL pointer, it will return > ERR_PTR() when it fails, so replace the check with IS_ERR(). > > Fixes: 836fb30949d9 ("soc: imx8m: Enable OCOTP clock before reading the register") > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> --- > v1 -> v2: > Check WARN_ON() instead of checking IS_ERR(). > --- > drivers/soc/imx/soc-imx8m.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/soc/imx/soc-imx8m.c b/drivers/soc/imx/soc-imx8m.c > index 28144c699b0c..d1dbe318be53 100644 > --- a/drivers/soc/imx/soc-imx8m.c > +++ b/drivers/soc/imx/soc-imx8m.c > @@ -66,10 +66,8 @@ static u32 __init imx8mq_soc_revision(void) > ocotp_base = of_iomap(np, 0); > WARN_ON(!ocotp_base); > clk = of_clk_get_by_name(np, NULL); > - if (!clk) { > - WARN_ON(!clk); > + if (WARN_ON(IS_ERR(clk))) > return 0; > - } > > clk_prepare_enable(clk); >
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