Automatically cleaned up pointers need to be initialized before exiting
their scope.  In this case, they need to be initialized to NULL before
any return statement.

Fixes: 90f821d7 ("ice: avoid unnecessary devm_ usage")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>