Re: [PATCH] bus: arm-integrator-lm: Fix an IS_ERR() vs NULL check
From: Linus Walleij
Date: Mon May 25 2020 - 05:19:07 EST
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.