Re: [PATCH] tools/bootconfig: fix single & used for logical condition

From: Google
Date: Fri Jan 20 2023 - 00:24:13 EST


On Thu, 12 Jan 2023 12:42:15 +0100
Antonio Alvarez Feijoo <antonio.feijoo@xxxxxxxx> wrote:

> A single & will create a background process and return true, so the grep
> command will run even if the file checked in the first condition does not
> exist.
>

Good catch!

Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>

Thank you!

> Signed-off-by: Antonio Alvarez Feijoo <antonio.feijoo@xxxxxxxx>
> ---
> tools/bootconfig/scripts/ftrace2bconf.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/bootconfig/scripts/ftrace2bconf.sh b/tools/bootconfig/scripts/ftrace2bconf.sh
> index 6183b36c6846..1603801cf126 100755
> --- a/tools/bootconfig/scripts/ftrace2bconf.sh
> +++ b/tools/bootconfig/scripts/ftrace2bconf.sh
> @@ -93,7 +93,7 @@ referred_vars() {
> }
>
> event_is_enabled() { # enable-file
> - test -f $1 & grep -q "1" $1
> + test -f $1 && grep -q "1" $1
> }
>
> per_event_options() { # event-dir
> --
> 2.35.3
>


--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>