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authorJohan Hovold <jhovold@gmail.com>2011-11-10 17:58:26 +0400
committerBen Hutchings <ben@decadent.org.uk>2012-05-31 03:43:31 +0400
commit9323f37754016b3fa76419d0e0ad9a56fcf0dd96 (patch)
tree71a9f29a3f3ed01f8c1042c95892122b0984e20f /include
parenta756191d7f7f975492a9cc0f43829fcdbe366fe5 (diff)
downloadlinux-9323f37754016b3fa76419d0e0ad9a56fcf0dd96.tar.xz
USB: move usb_translate_errors to linux/usb.h
commit 2c4d6bf295ae10ffcd84f0df6cb642598eb66603 upstream. 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> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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 75033529c055..4269c3f88148 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1599,6 +1599,19 @@ 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