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SubjectRe: [PATCH] HID: i2c-hid: add mutex protecting open/close race
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 <>
> ---

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 <>

Jean Delvare

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