rcar: dvc: Avoid use of ret uninitialised

We use ret as the return value from the rsnd_dvc_probe() but if there
are no child nodes and no errors then we will never initialize ret leading
to build warnings. Ensure ret is initialized before we iterate over the
child nodes to avoid this.

Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 66aeea8e00691fa0ac3cd61d1b4c6709e81038ad..42e6a230a3d1a895d4884671b58c3b534a7d989e 100644 (file)
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -360,6 +360,7 @@ int rsnd_dvc_probe(struct rsnd_priv *priv)
        priv->dvc       = dvc;
 
        i = 0;
+       ret = 0;
        for_each_child_of_node(node, np) {
                dvc = rsnd_dvc_get(priv, i);