path: root/Documentation/usb
diff options
authorAlan Stern <stern@rowland.harvard.edu>2012-11-07 16:35:00 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-11 18:10:46 -0800
commit2f02bc8af3abb846823811af65ec6cc46a4d525d (patch)
treed2d5930a67122733e3af7aee09560eebd2a912b3 /Documentation/usb
parent2656a9abcf1ec8dd5fee6a75d6997a0f2fa0094e (diff)
USB: report submission of active URBs
This patch (as1633) changes slightly the way usbcore handled submissions of URBs that are already active. It will now return -EBUSY rather than -EINVAL, and it will call WARN_ONCE to draw people's attention to the bug. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/usb')
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/usb/error-codes.txt b/Documentation/usb/error-codes.txt
index 8d1e2a9ebbba..9c3eb845ebe5 100644
--- a/Documentation/usb/error-codes.txt
+++ b/Documentation/usb/error-codes.txt
@@ -21,6 +21,8 @@ Non-USB-specific:
+-EBUSY The URB is already active.
-ENODEV specified USB-device or bus doesn't exist
-ENOENT specified interface or endpoint does not exist or

Privacy Policy