Avoid possible division by zero in led_work, if hdev->maxchild is 0. See also: http://buildbot.llvm.linuxfoundation.org/checker/scan-build-latest/report-b65939.html#EndPath Signed-off-by: Johannes Thumshirn <morbidrsa@xxxxxxxxx> --- drivers/usb/core/hub.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index a7c04e2..8c7aa4e 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -453,7 +453,8 @@ static void led_work (struct work_struct *work) unsigned changed = 0; int cursor = -1; - if (hdev->state != USB_STATE_CONFIGURED || hub->quiescing) + if (hdev->state != USB_STATE_CONFIGURED || hub->quiescing + || hdev->maxchild == 0) return; for (i = 0; i < hdev->maxchild; i++) { -- 1.8.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
