> Subject: [PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in
> clk_imx_acm_attach_pm_domains()
>
> The device_link_add() function returns NULL on error. It doesn't return error
> pointers. Fix the check accordingly.
>
> Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
> ---
> drivers/clk/imx/clk-imx8-acm.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
> index 1e82f72b75c6..83019b986622 100644
> --- a/drivers/clk/imx/clk-imx8-acm.c
> +++ b/drivers/clk/imx/clk-imx8-acm.c
> @@ -287,9 +287,9 @@ static int clk_imx_acm_attach_pm_domains(struct
> device *dev,
>
> DL_FLAG_STATELESS |
>
> DL_FLAG_PM_RUNTIME |
>
> DL_FLAG_RPM_ACTIVE);
> - if (IS_ERR(dev_pm->pd_dev_link[i])) {
> + if (!dev_pm->pd_dev_link[i]) {
> dev_pm_domain_detach(dev_pm->pd_dev[i], false);
> - ret = PTR_ERR(dev_pm->pd_dev_link[i]);
> + ret = -EINVAL;
> goto detach_pm;
> }
> }
> --
> 2.39.2
