Re: [PATCH] bus: arm-integrator-lm: Fix an IS_ERR() vs NULL check

[Linus Walleij]

Hi Dan,

On Wed, May 20, 2020 at 2:08 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:

> The of_find_matching_node() function returns NULL on error, it never
> returns error pointers.  This doesn't really impact runtime very much
> because if "syscon" is NULL then syscon_node_to_regmap() will return
> -EINVAL.  The only runtime difference is that now it returns -ENODEV.
>
> Fixes: ccea5e8a5918 ("bus: Add driver for Integrator/AP logic modules")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> The first patch which added this file doesn't give a good hint what the
> subsystem prefix should be so I just guessed "bus: arm-integrator-lm:".

I got a similar patch from Wei that I forwarded to the ARM SoC
maintainers that usually apply the bus patches for me.

Thanks anyway!

Yours,
Linus Walleij