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

Stephen Boyd sboyd at kernel.org
Sun Jan 5 22:02:45 PST 2020


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 at kernel.org>
> ---

For

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

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




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