hwmon: (amc6821) Fix possible race condition bug
Ensure mutex lock protects the read-modify-write period to prevent possible race condition bug. In additional, update data->valid should also be protected by the mutex lock. Signed-off-by:Axel Lin <axel.lin@ingics.com> Cc: stable@vger.kernel.org Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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