[PATCH] ASoC: samsung: spdif: Handle return value of clk_prepare_enable.

From: Arvind Yadav
Date: Tue Jul 25 2017 - 06:14:32 EST


clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
sound/soc/samsung/spdif.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c
index 779504f54bc0..cb59911e65c0 100644
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -391,7 +391,9 @@ static int spdif_probe(struct platform_device *pdev)
ret = -ENOENT;
goto err0;
}
- clk_prepare_enable(spdif->pclk);
+ ret = clk_prepare_enable(spdif->pclk);
+ if (ret)
+ goto err0;

spdif->sclk = devm_clk_get(&pdev->dev, "sclk_spdif");
if (IS_ERR(spdif->sclk)) {
@@ -399,7 +401,9 @@ static int spdif_probe(struct platform_device *pdev)
ret = -ENOENT;
goto err1;
}
- clk_prepare_enable(spdif->sclk);
+ ret = clk_prepare_enable(spdif->sclk);
+ if (ret)
+ goto err1;

/* Request S/PDIF Register's memory region */
if (!request_mem_region(mem_res->start,
--
2.13.2