Hi, Felipe Balbi <[email protected]> writes: > Felipe Balbi <[email protected]> writes: > >> Felipe Balbi <[email protected]> writes: >> >>> Hi, >>> >>> Greg Kroah-Hartman <[email protected]> writes: >>>> On Wed, Nov 08, 2017 at 03:05:11PM -0800, Tony Lindgren wrote: >>>>> Hi Felipe & Greg, >>>>> >>>>> Looks like in next-20171108 USB hub is spamming console about once a >>>>> second after commit 7dfd74fd128 ("Merge remote-tracking branch >>>>> 'usb/usb-next'"). >>>>> >>>>> Any ideas? See the log below. >>>> >>>> Any chance you can run 'git bisect'? >>> >>> I wonder if it was caused by the usb_get_std_status() changes. We didn't >>> catch this in our testing, though. I left the patches in intel's >>> validation for a few days before sending out. >>> >>> Let me compile that very tag and try it with one of our machines. >>> >>> Tony, a bisection would be useful, indeed. >> >> reproduced. Digging to figure out what's going on. > > Okay, found it. Testing a patch.
Here's the patch, I'll send it formally shortly.
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 0cdc463c9509..c15fbf76f8f7 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -975,6 +975,7 @@ int usb_get_status(struct usb_device *dev, int recip, int
type, int target,
}
*(u32 *) data = le32_to_cpu(*(__le32 *) status);
+ ret = 0;
break;
case 2:
if (type != USB_STATUS_TYPE_STANDARD) {
@@ -983,6 +984,7 @@ int usb_get_status(struct usb_device *dev, int recip, int
type, int target,
}
*(u16 *) data = le16_to_cpu(*(__le16 *) status);
+ ret = 0;
break;
default:
ret = -EIO;
--
2.14.2.642.g20fed7cad4
--
balbi
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