Re: [PATCH] HID: i2c-hid: add mutex protecting open/close race

From: Jean Delvare
Date: Wed Dec 12 2012 - 11:34:52 EST


Hi Benjamin,

On Wed, 12 Dec 2012 17:12:16 +0100, Benjamin Tissoires wrote:
> We should not enter close function while someone else is in open.
> This mutex prevents this race.
>
> There is also no need to override the ret value with -EIO in case of
> a failure of i2c_hid_set_power.
>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>
> ---

Looks good to me except that you forgot to include <linux/mutex.h> and
this could cause build failures on some architectures/configs.

Once this is fixed, you can add:

Reviewed-by: Jean Delvare <khali@xxxxxxxxxxxx>

--
Jean Delvare
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