From: Alan Stern <[EMAIL PROTECTED]>
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 <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/hub.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 875596e..41531bb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1790,7 +1790,10 @@ static int finish_device_resume(struct u
* 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);
--
1.4.1
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