Merge tag 'asoc-v3.15-rcar' into asoc-next

ASoC: A few more fixes for rcar

Since Linus hasn't done the release yet and Morimoto-san here are some
additional bug fixes for rcar which Morimoto-san sent overnight.

# gpg: Signature made Mon 24 Mar 2014 11:21:18 GMT using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg:                 aka "Mark Brown <broonie@debian.org>"
# gpg:                 aka "Mark Brown <broonie@kernel.org>"
# gpg:                 aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg:                 aka "Mark Brown <broonie@linaro.org>"
# gpg:                 aka "Mark Brown <Mark.Brown@linaro.org>"
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index eee75eb..6232b7d 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -182,16 +182,20 @@
 				   struct rsnd_dai_stream *io,
 				   struct snd_pcm_runtime *runtime)
 {
+	struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
 	struct rsnd_src *src;
-	unsigned int rate;
+	unsigned int rate = 0;
 
-	src = rsnd_mod_to_src(rsnd_io_to_mod_src(io));
+	if (src_mod) {
+		src = rsnd_mod_to_src(src_mod);
 
-	/*
-	 * return convert rate if SRC is used,
-	 * otherwise, return runtime->rate as usual
-	 */
-	rate = rsnd_src_convert_rate(src);
+		/*
+		 * return convert rate if SRC is used,
+		 * otherwise, return runtime->rate as usual
+		 */
+		rate = rsnd_src_convert_rate(src);
+	}
+
 	if (!rate)
 		rate = runtime->rate;