[ Upstream commite9d1a0a41d] A call to 'i2c_demux_deactivate_master()' is missing in the error handling path, as already done in the remove function. Fixes:50a5ba8769("i2c: mux: demux-pinctrl: add driver") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>