Re: [PATCH] treewide: remove redundent IS_ERR() before error code check

Stephen Boyd
2020-01-06T06:02:54Z

Quoting Masahiro Yamada (2020-01-05 20:58:33)
> 'PTR_ERR(p) == -E*' is a stronger condition than IS_ERR(p).
> Hence, IS_ERR(p) is unneeded.
>
> The semantic patch that generates this commit is as follows:
>
> // <smpl>
> @@
> expression ptr;
> constant error_code;
> @@
> -IS_ERR(ptr) && (PTR_ERR(ptr) == - error_code)
> +PTR_ERR(ptr) == - error_code
> // </smpl>
>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> ---

For

> drivers/clk/clk.c | 2 +-

Acked-by: Stephen Boyd <sboyd@kernel.org>