The patch titled
USB: try to debug Bug 8561
has been added to the -mm tree. Its filename is
usb-try-to-debug-bug-8561.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: USB: try to debug Bug 8561
From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Maybe the serial device driver is submitting an URB that is already in
use. This patch might catch the error.
Cc: <pfmp.404@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/usb/core/urb.c | 6 ++++++
1 files changed, 6 insertions(+)
diff -puN drivers/usb/core/urb.c~usb-try-to-debug-bug-8561 drivers/usb/core/urb.c
--- a/drivers/usb/core/urb.c~usb-try-to-debug-bug-8561
+++ a/drivers/usb/core/urb.c
@@ -288,6 +288,12 @@ int usb_submit_urb(struct urb *urb, gfp_
|| dev->state == USB_STATE_SUSPENDED)
return -EHOSTUNREACH;
+ /* Not a precise test, but useful for debugging */
+ if (urb->status == -EINPROGRESS) {
+ WARN_ON(1);
+ return -EBUSY;
+ }
+
urb->status = -EINPROGRESS;
urb->actual_length = 0;
_
Patches currently in -mm which might be from stern@xxxxxxxxxxxxxxxxxxx are
origin.patch
git-hid.patch
usb-try-to-debug-bug-8561.patch
make-alt-sysrq-p-display-the-debug-register-contents.patch
freezer-run-show_state-when-freezing-times-out.patch
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