Author: Wei Yongjun <weiyj.lk@gmail.com> It’s not necessary to unregister pin controller device registered with devm_pinctrl_register() and using pinctrl_unregister() leads to a double free. This is detected by Coccinelle semantic patch. Fixes: e649f7ec8c5f (« pinctrl: meson: Use devm_pinctrl_register() for pinctrl registration ») Signed-off-by: Wei Yongjun Reviewed-by: Dmitry Torokhov Acked-by: Kevin Hilman Signed-off-by: Linus Walleij — drivers/pinctrl/meson/pinctrl-meson.c | 8 …