linux-kernel - Re: [PATCH 5/6] ath6kl: convert ath6kl_dbg() and ath6kl_dbg

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Date:	Wed, 04 Jan 2012 15:41:12 -0800
From:	Joe Perches <joe@...ches.com>
To:	Kalle Valo <kvalo@....qualcomm.com>
Cc:	linville@...driver.com, sfr@...b.auug.org.au,
	netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	ath6kl-devel@...lcomm.com, davem@...emloft.net
Subject: Re: [PATCH 5/6] ath6kl: convert ath6kl_dbg() and ath6kl_dbg_dump()
 into functions

On Thu, 2012-01-05 at 01:09 +0200, Kalle Valo wrote:
> That way it's possible to not export debug_mask outside the upcoming
> ath6kl_core.ko and that makes it easier to ath6kl_core.ko in the
> following patch.
[]
> Signed-off-by: Kalle Valo <kvalo@....qualcomm.com>
[]
> diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
[]
> +void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
> +{
> +	va_list args;
> +
> +	if (!(debug_mask & mask))
> +		return;
> +
> +	va_start(args, fmt);
> +	ath6kl_printk(KERN_DEBUG, fmt, &args);

Passing a va_list as an argument?
I believe this doesn't work.
I think you'll need to add and use:

	struct va_format vaf;

	vaf.fmt = fmt;
	vaf.va = &args;

	ath6kl_printk(KERN_DEBUG, "%pV", &vaf);



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