ASoC: imx-ssi: add check on platform_get_irq return value

Check return value from call to platform_get_irq(),
so in case of failure print error message and propagate
the return value.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index b95132e2f9dc..06790615e04e 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -527,6 +527,10 @@ static int imx_ssi_probe(struct platform_device *pdev)
         }
 
         ssi->irq = platform_get_irq(pdev, 0);
+        if (ssi->irq < 0) {
+                dev_err(&pdev->dev, "Failed to get IRQ: %d\n", ssi->irq);
+                return ssi->irq;
+        }
 
         ssi->clk = devm_clk_get(&pdev->dev, NULL);
         if (IS_ERR(ssi->clk)) {