Re: [PATCH] hwmon: (ads7871) Fix ads7871_probe init path

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Hi Axel,

On Sun, 22 Aug 2010 22:25:26 +0800, Axel Lin wrote:
> >From 81e895683eaecb9e196c57c36b774c0908069d83 Mon Sep 17 00:00:00 2001
> From: Axel Lin <axel.lin@xxxxxxxxx>
> Date: Sun, 22 Aug 2010 22:10:01 +0800
> Subject: [PATCH] hwmon: (ads7871) Fix ads7871_probe init path
> 
> This patch includes below fixes:
> 
> 1. remove 'status' variable
> 2. remove unneeded initialization of 'err' variable
> 3. return missing error code if sysfs_create_group fail.
> 4. fix the init sequence as:
>    - check hardware existence
>    - kzalloc for ads7871_data
>    - sysfs_create_group
>    - hwmon_device_register
> 
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
> ---
> 
> hi Jean,
> This patch is against linux-next ( on top of previous patch ).
> Reviews are welcome.

Looks good. I've folded this patch into the old one, and will send the
result to Linux shortly.

> I think it's ok to call sysfs_create_group() before hwmon_device_register().
> If hwmon_device_register failed, the device is not working anyway.
> We just need to make sure all the allocated resources are reclaimed in error path before return error.

Agreed.

-- 
Jean Delvare

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