linux-kernel - Re: [PATCH] Input: axp20x-pek: use devm_add_action_or

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Date:	Wed, 6 Jul 2016 11:01:36 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH] Input: axp20x-pek: use devm_add_action_or_reset

On Sun, Jul 03, 2016 at 09:40:42PM +0100, Sudip Mukherjee wrote:
> On Sunday 12 June 2016 03:12 PM, Sudip Mukherjee wrote:
> >If devm_add_action() fails we are explicitly calling
> >axp20x_remove_sysfs_group() to free the resources allocated. Lets use
> >the helper devm_add_action_or_reset() and return directly in case of
> >error, as we know that the cleanup function has been already called by
> >the helper if there was any error.
> >
> >Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
> >---
> 
> A gentle ping.

Hmm, I need to try and get Greg accept my devm_add_sysfs_group(), if
that fails I'll take this patch.

Thanks.

> 
> Regards
> Sudip
> 
> 
> >  drivers/input/misc/axp20x-pek.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
> >diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c
> >index 1ac898d..419ca97 100644
> >--- a/drivers/input/misc/axp20x-pek.c
> >+++ b/drivers/input/misc/axp20x-pek.c
> >@@ -260,10 +260,10 @@ static int axp20x_pek_probe(struct platform_device *pdev)
> >  		return error;
> >  	}
> >
> >-	error = devm_add_action(&pdev->dev,
> >-				axp20x_remove_sysfs_group, &pdev->dev);
> >+	error = devm_add_action_or_reset(&pdev->dev,
> >+					 axp20x_remove_sysfs_group,
> >+					 &pdev->dev);
> >  	if (error) {
> >-		axp20x_remove_sysfs_group(&pdev->dev);
> >  		dev_err(&pdev->dev, "Failed to add sysfs cleanup action: %d\n",
> >  			error);
> >  		return error;
> >
> 

-- 
Dmitry