Re: [PATCH] i2c: sun6i-p2wi: Fix an error message in probe()

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Hi Dan,

On Tue, Jun 27, 2023 at 10:12:36AM +0300, Dan Carpenter wrote:
> The "ret" variable is uninitialized.  It was the "p2wi->rstc" variable
> that was intended.  We can also use the %pe string format to print the
> error code name instead of just the number.
> 
> Fixes: 75ff8a340a81 ("i2c: sun6i-p2wi: Use devm_clk_get_enabled()")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/i2c/busses/i2c-sun6i-p2wi.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-sun6i-p2wi.c
> index ad8270cdbd3e..fa6020dced59 100644
> --- a/drivers/i2c/busses/i2c-sun6i-p2wi.c
> +++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c
> @@ -250,7 +250,8 @@ static int p2wi_probe(struct platform_device *pdev)
>  
>  	p2wi->rstc = devm_reset_control_get_exclusive(dev, NULL);
>  	if (IS_ERR(p2wi->rstc)) {
> -		dev_err(dev, "failed to retrieve reset controller: %d\n", ret);
> +		dev_err(dev, "failed to retrieve reset controller: %pe\n",
> +			p2wi->rstc);

Yes, good catch! Thanks! But I think we want to print the error
value here, so I think it should be:

-		dev_err(dev, "failed to retrieve reset controller: %d\n", ret);
+		dev_err(dev, "failed to retrieve reset controller: %d\n",
+			PTR_ERR(p2wi->rstc));

Andi

>  		return PTR_ERR(p2wi->rstc);
>  	}
>  
> -- 
> 2.39.2
> 



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