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authorJohan Hovold <jhovold@gmail.com>2011-11-10 17:58:26 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-15 22:47:40 +0400
commit2c4d6bf295ae10ffcd84f0df6cb642598eb66603 (patch)
tree5fd9620f72abbc7f5000709ffbc83794d9d9ab08 /include
parentd83b405383c965498923f3561c3321e2b5df5727 (diff)
downloadlinux-2c4d6bf295ae10ffcd84f0df6cb642598eb66603.tar.xz
USB: move usb_translate_errors to linux/usb.h
Move usb_translate_errors from usb core to linux/usb.h as it is meant to be accessed from drivers. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/usb.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index d3d0c1374334..2f05a7fa1ecf 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1598,6 +1598,19 @@ usb_maxpacket(struct usb_device *udev, int pipe, int is_out)
/* ----------------------------------------------------------------------- */
+/* translate USB error codes to codes user space understands */
+static inline int usb_translate_errors(int error_code)
+{
+ switch (error_code) {
+ case 0:
+ case -ENOMEM:
+ case -ENODEV:
+ return error_code;
+ default:
+ return -EIO;
+ }
+}
+
/* Events from the usb core */
#define USB_DEVICE_ADD 0x0001
#define USB_DEVICE_REMOVE 0x0002