ASoC: rcar: fixup mod access before checking

rsnd_dai_connect() is using mod before NULL checking.
This patch fixes it up

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
1 file changed