linux-kernel - Re: [PATCH 1/2] module: Fix ERRORs reported by checkpatch.pl

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Date:   Sun, 12 Jun 2022 12:35:55 -0700
From:   Joe Perches <joe@...ches.com>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Luis Chamberlain <mcgrof@...nel.org>,
        linux-modules@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] module: Fix ERRORs reported by checkpatch.pl

On Sun, 2022-06-12 at 19:44 +0200, Christophe Leroy wrote:
> Checkpatch reports following errors:

There are many conditions that checkpatch reports that do
not need fixing.

checkpatch is a mindless script.  It's not always right.

> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
[]
> diff --git a/kernel/module/main.c b/kernel/module/main.c
[]
> @@ -1111,9 +1111,9 @@ resolve_symbol_wait(struct module *mod,
>  	const struct kernel_symbol *ksym;
>  	char owner[MODULE_NAME_LEN];
>  
> +	ksym = resolve_symbol(mod, info, name, owner);
>  	if (wait_event_interruptible_timeout(module_wq,

Did you verify this change by looking at the code for
wait_event_interruptible_timeout?

> -			!IS_ERR(ksym = resolve_symbol(mod, info, name, owner))
> -			|| PTR_ERR(ksym) != -EBUSY,
> +			!IS_ERR(ksym) || PTR_ERR(ksym) != -EBUSY,
>  					     30 * HZ) <= 0) {
>  		pr_warn("%s: gave up waiting for init of module %s.\n",
>  			mod->name, owner);