ASoC: fsl: fsl_ssi: Check the return value from clk_prepare_enable()

clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index d078b1ba08e84e61f337b75caf7c692482b94b6d..c9974a4ac0424a384c19e51ea8d60fc5def7a498 100644 (file)
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -737,7 +737,12 @@ static int fsl_ssi_probe(struct platform_device *pdev)
                        dev_err(&pdev->dev, "could not get clock: %d\n", ret);
                        goto error_irqmap;
                }
-               clk_prepare_enable(ssi_private->clk);
+               ret = clk_prepare_enable(ssi_private->clk);
+               if (ret) {
+                       dev_err(&pdev->dev, "clk_prepare_enable failed: %d\n",
+                               ret);
+                       goto error_irqmap;
+               }
 
                /*
                 * We have burstsize be "fifo_depth - 2" to match the SSI