This patch updates the rx check health function.  My previous only
updated the rkt check health code.  This and the previous patch should
fix the kmalloc return checking bug:

http://bugme.osdl.org/show_bug.cgi?id=3699Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>