ASoC: rsnd: Delete an error message for a failed memory allocation in three functions

Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/gen.c

@@ -406,10 +406,8 @@ int rsnd_gen_probe(struct rsnd_priv *priv)
 	int ret;
 
 	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
-	if (!gen) {
-		dev_err(dev, "GEN allocate failed\n");
+	if (!gen)
 		return -ENOMEM;
-	}
 
 	priv->gen = gen;