'vmw_cotable_alloc()' returns an error pointer on error, not NULL.
Propagate the error code, instead of returning -ENOMEM unconditionally
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: NSinclair Yeh <syeh@vmware.com>
Signed-off-by: NSinclair Yeh <syeh@vmware.com>