Re: [PATCH] iio: dac: mcp4725: fix odd_ptr_err.cocci warnings

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On 22/10/16 21:41, Julia Lawall wrote:
> PTR_ERR should access the value just tested by IS_ERR
> 
> Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci
> 
> CC: Tomas Novotny <tomas@xxxxxxxxxx>
> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Looks fairly obvious to me and I want to get a pull request out
shortly so applied.

Thanks,

Jonathan
> ---
> 
> Please take the patch only if it's a positive warning. Thanks!
> 
> Not checked at all.  This is being reported on the following tree:
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
> testing
> head:   2796a310d462f73954c0ce8ffabaf4baacaecca1
> commit: e0b80def1faa901d83a7d580e8aa4ad4a512bedf [109/113] iio: dac:
> mcp4725: support voltage reference selection
> :::::: branch date: 2 hours ago
> :::::: commit date: 2 hours ago
> 
> 
>  mcp4725.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/drivers/iio/dac/mcp4725.c
> +++ b/drivers/iio/dac/mcp4725.c
> @@ -418,7 +418,7 @@ static int mcp4725_probe(struct i2c_clie
>  	if (pdata->use_vref) {
>  		data->vref_reg = devm_regulator_get(&client->dev, "vref");
>  		if (IS_ERR(data->vref_reg)) {
> -			err = PTR_ERR(data->vdd_reg);
> +			err = PTR_ERR(data->vref_reg);
>  			goto err_disable_vdd_reg;
>  		}
> 

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