ASoC: imx-hdmi: Fix warning of the uninitialized variable ret

When condition ((hdmi_out && hdmi_in) || (!hdmi_out && !hdmi_in))
is true, then goto fail, the uninitialized variable ret will be
returned.

Signed-off-by: shengjiu wang <shengjiu.wang@nxp.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Fixes: 6a5f850aa83a ("ASoC: fsl: Add imx-hdmi machine driver")
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/1608115464-18710-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index 2c2a76a..ede4a9a 100644 (file)
--- a/sound/soc/fsl/imx-hdmi.c
+++ b/sound/soc/fsl/imx-hdmi.c
@@ -164,6 +164,7 @@ static int imx_hdmi_probe(struct platform_device *pdev)
 
        if ((hdmi_out && hdmi_in) || (!hdmi_out && !hdmi_in)) {
                dev_err(&pdev->dev, "Invalid HDMI DAI link\n");
+               ret = -EINVAL;
                goto fail;
        }