Commit 5df74ad8 authored by Axel Lin's avatar Axel Lin Committed by popcornmix
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hwmon: (amc6821) Fix possible race condition bug 



commit cf44819c upstream.

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: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
parent 0337b52c
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