Re: [PATCH] pinctrl: stm32: Modify error handling for pinctrl_register

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Mon, Jun 27, 2016 at 4:23 PM, Amitoj Kaur Chawla
<amitoj1606@xxxxxxxxx> wrote:

> pinctrl_register returns an ERR_PTR on error.
>
> The Coccinelle semantic patch used to make this change is as follows:
>
> @@
> expression e,e1,e2;
> @@
>
> e = pinctrl_register(...)
> ... when != e = e1
> if (
> -   e == NULL
> +   IS_ERR(e)
>    ) {
>      ...
>      return
> -      e2
> +      PTR_ERR(e)
>      ;
>      }
>
> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@xxxxxxxxx>

I already have a patch like this in my tree it seems.

But very nice that cocinelle is now finding this!

Yours,
Linus Walleij
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