The SPMI core complaing with this warning when built with W=1: drivers/spmi/spmi.c: In function ‘spmi_controller_remove’: drivers/spmi/spmi.c:548:6: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] 548 | int dummy; | ^~~~~ As the dummy var isn't needed, remove it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- drivers/spmi/spmi.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index c16b60f645a4..fd3ff6079b15 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -545,13 +545,10 @@ static int spmi_ctrl_remove_device(struct device *dev, void *data) */ void spmi_controller_remove(struct spmi_controller *ctrl) { - int dummy; - if (!ctrl) return; - dummy = device_for_each_child(&ctrl->dev, NULL, - spmi_ctrl_remove_device); + device_for_each_child(&ctrl->dev, NULL, spmi_ctrl_remove_device); device_del(&ctrl->dev); } EXPORT_SYMBOL_GPL(spmi_controller_remove); -- 2.26.2