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-rw-r--r--Documentation/driver-api/usb/error-codes.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/driver-api/usb/error-codes.rst b/Documentation/driver-api/usb/error-codes.rst
index a3e84bfac776..8f9790c2d6f8 100644
--- a/Documentation/driver-api/usb/error-codes.rst
+++ b/Documentation/driver-api/usb/error-codes.rst
@@ -61,6 +61,9 @@ USB-specific:
(c) requested data transfer length is invalid: negative
or too large for the host controller.
+``-EBADR`` The wLength value in a control URB's setup packet does
+ not match the URB's transfer_buffer_length.
+
``-ENOSPC`` This request would overcommit the usb bandwidth reserved
for periodic transfers (interrupt, isochronous).