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Date:   Wed, 22 Nov 2017 14:04:07 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-bluetooth@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH v1] Bluetooth: introduce DEFINE_SHOW_ATTRIBUTE() macro

On 11/22/2017 01:15 PM, Andy Shevchenko wrote:
> This macro deduplicates a lot of similar code across the hci_debugfs.c
> module. Targeting to be moved to seq_file.h eventually.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  net/bluetooth/hci_debugfs.c | 184 +++++---------------------------------------
>  1 file changed, 18 insertions(+), 166 deletions(-)

Looks like a good idea, but below, there is a use of
DEFINE_SHOW_ATTRIBUTE() before it is #defined.

> diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
> index 63df63ebfb24..d4174d508cbf 100644
> --- a/net/bluetooth/hci_debugfs.c
> +++ b/net/bluetooth/hci_debugfs.c
> @@ -88,6 +88,9 @@ static int __name ## _show(struct seq_file *f, void *ptr)		      \
>  	return 0;							      \
>  }									      \
>  									      \
> +DEFINE_SHOW_ATTRIBUTE(__name)

eh?

> +> +#define DEFINE_SHOW_ATTRIBUTE(__name)					      \
>  static int __name ## _open(struct inode *inode, struct file *file)	      \
>  {									      \
>  	return single_open(file, __name ## _show, inode->i_private);	      \


-- 
~Randy

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