In file /os/kernel/include/chqueues.h :
@ line 247
- * @param[in] iqp pointer to an @p OutputQueue structure
+ * @param[in] oqp pointer to an @p OutputQueue structure
@ line 264
- #define chOQGetEmptyI(iqp) chQSpaceI(oqp)
+ #define chOQGetEmptyI(oqp) chQSpaceI(oqp)
In versions 2.4.2 and above as I can see. Could be earlier though.
Increasing priority because it is a kernel bug, it does not affect anything in the distribution.
Will be fixed in 2.2.10stable, 2.4.3stable and 2.5.1unstable, fixed in repository.