netdev - Re: [PATCH 3/5] iwlwifi: dvm: no need to check return value of debugfs

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Date:   Fri, 05 Jul 2019 11:37:56 +0300
From:   Luciano Coelho <luciano.coelho@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Johannes Berg <johannes.berg@...el.com>
Cc:     Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        Intel Linux Wireless <linuxwifi@...el.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 3/5] iwlwifi: dvm: no need to check return value of
 debugfs_create functions

On Wed, 2019-06-12 at 16:26 +0200, Greg Kroah-Hartman wrote:
> When calling debugfs functions, there is no need to ever check the
> return value.  This driver was saving the debugfs file away to be
> removed at a later time.  However, the 80211 core would delete the whole
> directory that the debugfs files are created in, after it asks the
> driver to do the deletion, so just rely on the 80211 core to do all of
> the cleanup for us, making us not need to keep a pointer to the dentries
> around at all.
> 
> This cleans up the structure of the driver data a bit and makes the code
> a tiny bit smaller.
> 
> Cc: Johannes Berg <johannes.berg@...el.com>
> Cc: Emmanuel Grumbach <emmanuel.grumbach@...el.com>
> Cc: Luca Coelho <luciano.coelho@...el.com>
> Cc: Intel Linux Wireless <linuxwifi@...el.com>
> Cc: Kalle Valo <kvalo@...eaurora.org>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: linux-wireless@...r.kernel.org
> Cc: netdev@...r.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---

Thanks, Greg! I applied this to our internal tree and it will reach the
mainline following our normal upstreaming process.

--
Cheers,
Luca.