From: Greg Kroah-Hartman Date: Thu, 22 Jun 2006 20:29:52 +0000 (-0700) Subject: [PATCH] USB: get USB suspend to work again X-Git-Tag: v2.6.18-rc1~1081^2~219^2~1 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0517587e5896cef1d5f99d3b24f5f2ca15d952ad;p=linux-2.6 [PATCH] USB: get USB suspend to work again Yeah, it's a hack, but it is only temporary until Alan's patches reworking this area make it in. We really should not care what devices below us are doing, especially when we do not really know what type of devices they are. This patch relies on the fact that the endpoint devices do not have a driver assigned to us. Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 5153107513..fb488c8a86 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -991,6 +991,8 @@ void usb_buffer_unmap_sg (struct usb_device *dev, unsigned pipe, static int verify_suspended(struct device *dev, void *unused) { + if (dev->driver == NULL) + return 0; return (dev->power.power_state.event == PM_EVENT_ON) ? -EBUSY : 0; }