Re: [PATCH] Intel: Skylake: Fix inconsistent IS_ERR and PTR_ERR

From: Joe Perches
Date: Fri Feb 21 2020 - 09:43:02 EST


On Fri, 2020-02-21 at 18:11 +0800, Xu Wang wrote:
> PTR_ERR should access the value just tested by IS_ERR.
> In skl_clk_dev_probe(),it is inconsistent.
[]
> diff --git a/sound/soc/intel/skylake/skl-ssp-clk.c b/sound/soc/intel/skylake/skl-ssp-clk.c
[]
> @@ -384,7 +384,7 @@ static int skl_clk_dev_probe(struct platform_device *pdev)
> &clks[i], clk_pdata, i);
>
> if (IS_ERR(data->clk[data->avail_clk_cnt])) {
> - ret = PTR_ERR(data->clk[data->avail_clk_cnt++]);
> + ret = PTR_ERR(data->clk[data->avail_clk_cnt]);

NAK.

This is not inconsistent and you are removing the ++
which is a post increment. Likely that is necessary.

You could write the access and the increment as two
separate statements if it confuses you.