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[PATCH] USB hub: don't return status > 0 from resume

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finish_device_resume() in the hub driver isn't careful always to return
a negative code in all the error pathways.  It also doesn't return 0 in
all the success pathways.  This patch (as724) fixes the behavior.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2006-06-19 15:12:38 -04:00 committed by Greg Kroah-Hartman
parent eecd11ed47
commit b40b7a905c
1 changed files with 4 additions and 1 deletions
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5
drivers/usb/core/hub.c
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@ -1790,7 +1790,10 @@ static int finish_device_resume(struct usb_device *udev)
* and device drivers will know about any resume quirks.
*/
status = usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus);
if (status < 2)
if (status >= 0)
status = (status == 2 ? 0 : -ENODEV);
if (status)
dev_dbg(&udev->dev,
"gone after usb resume? status %d\n",
status);