Florian Pose <fp@igh-essen.com> [Mon, 17 Nov 2008 17:18:02 +0000] rev 1313
Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com> [Mon, 17 Nov 2008 15:04:28 +0000] rev 1312
Created backend versions of all API functions returing a pointer; using
the PTR_ERR()... macros.