ASoC: dwc: Delete an error message for a failed memory allocation in dw_i2s_probe()

Omit an extra message for a memory allocation failure in this function.

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/dwc/dwc-i2s.c

@@ -617,10 +617,8 @@ static int dw_i2s_probe(struct platform_device *pdev)
 	const char *clk_id;
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_warn(&pdev->dev, "kzalloc fail\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	dw_i2s_dai = devm_kzalloc(&pdev->dev, sizeof(*dw_i2s_dai), GFP_KERNEL);
 	if (!dw_i2s_dai)