netdevsim: devlink health: use retained error fmsg API
Drop unneeded error checking. devlink_fmsg_*() family of functions is now retaining errors, so there is no need to check for them after each call. Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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