Avoids having to call mutex_destroy in remove.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16755
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit 57f2c72505)
Link: https://github.com/openwrt/openwrt/pull/17097
Signed-off-by: Petr Štetiar <ynezz@true.cz>