This inline function is missing for version < 2.6.39 but required by em28xx
and cdc-wdm device driver.

Signed-off-by: Patrick Ziegler <[email protected]>
---
 backport/backport-include/linux/usb.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/backport/backport-include/linux/usb.h 
b/backport/backport-include/linux/usb.h
index 368da6c..a717b7a 100644
--- a/backport/backport-include/linux/usb.h
+++ b/backport/backport-include/linux/usb.h
@@ -145,4 +145,19 @@ extern void usb_unpoison_urb(struct urb *urb);
 extern int usb_anchor_empty(struct usb_anchor *anchor);
 #endif /* 2.6.23-2.6.27 */
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
+static inline int usb_translate_errors(int error_code)
+{
+       switch (error_code) {
+       case 0:
+       case -ENOMEM:
+       case -ENODEV:
+       case -EOPNOTSUPP:
+               return error_code;
+       default:
+               return -EIO;
+       }
+}
+#endif /* < 2.6.39 */
+
 #endif /* __BACKPORT_USB_H */
-- 
1.8.1.2



-- 
Dipl.-Inf. (FH) Patrick Ziegler

University Of Applied Sciences
Kaiserslautern

Amerikastrasse 1
D-66482 Zweibruecken
Germany

Phone:  +49 631 3724 5526
Mail:   [email protected]
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http://www.fh-kl.de
http://www.fh-kl.de/fachbereiche/imst/iuk-knowhow.html
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