In two of my i2c helper drivers the return value of i2c_add_driver() is
ignored.  Thanks to Arthur Othieno for finding these bugs.
Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch>
Signed-off-by: Michael Hunold <hunold@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>