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| author | Johan Hovold <jhovold@gmail.com> | 2011-11-10 14:58:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-15 10:47:40 -0800 |
| commit | 2c4d6bf295ae10ffcd84f0df6cb642598eb66603 (patch) | |
| tree | 5fd9620f72abbc7f5000709ffbc83794d9d9ab08 /include/linux/usb.h | |
| parent | d83b405383c965498923f3561c3321e2b5df5727 (diff) | |
| download | lwn-2c4d6bf295ae10ffcd84f0df6cb642598eb66603.tar.gz lwn-2c4d6bf295ae10ffcd84f0df6cb642598eb66603.zip | |
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/linux/usb.h')
| -rw-r--r-- | include/linux/usb.h | 13 |
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 |