On 3/27/2019 1:45 AM, Mathieu Malaterre wrote:
The returned value in status has never been used since commit 4296c70a5ec3 ("USB/xHCI: Enable USB 3.0 hub remote wakeup.") So remove 'status' completely. Remove warning (W=1): drivers/usb/core/hub.c:3671:8: warning: variable 'status' set but not used [-Wunused-but-set-variable] Cc: Sarah Sharp <sarah.a.sharp@xxxxxxxxx> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx> --- drivers/usb/core/hub.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 8d4631c81b9f..15a2934dc29d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3668,7 +3668,6 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) struct usb_hub *hub = usb_get_intfdata(intf); struct usb_device *hdev = hub->hdev; unsigned port1; - int status;/** Warn if children aren't already suspended. @@ -3702,12 +3701,12 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) if (hub_is_superspeed(hdev) && hdev->do_remote_wakeup) { /* Enable hub to send remote wakeup for all ports. */ for (port1 = 1; port1 <= hdev->maxchild; port1++) { - status = set_port_feature(hdev, - port1 | - USB_PORT_FEAT_REMOTE_WAKE_CONNECT | - USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT | - USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT, - USB_PORT_FEAT_REMOTE_WAKE_MASK);
should not we check return value instead of removing it. Thanks, Mukesh
+ set_port_feature(hdev, + port1 | + USB_PORT_FEAT_REMOTE_WAKE_CONNECT | + USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT | + USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT, + USB_PORT_FEAT_REMOTE_WAKE_MASK); } }
