Commit f5c97c7b authored by Arvind Yadav's avatar Arvind Yadav Committed by Mark Brown
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ASoC: samsung: i2s: Handle return value of clk_prepare_enable. 



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

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a7ad9a88

sound/soc/samsung/i2s.c

+15 −4
Original line number Diff line number Diff line
@@ -551,7 +551,9 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, 
				goto err;

			}



			clk_prepare_enable(i2s->op_clk);

			ret = clk_prepare_enable(i2s->op_clk);

			if (ret)

				goto err;

			i2s->rclk_srcrate = clk_get_rate(i2s->op_clk);



			/* Over-ride the other's */
@@ -1133,10 +1135,19 @@ static int i2s_runtime_suspend(struct device *dev) 
static int i2s_runtime_resume(struct device *dev)

{

	struct i2s_dai *i2s = dev_get_drvdata(dev);

	int ret;



	clk_prepare_enable(i2s->clk);

	if (i2s->op_clk)

		clk_prepare_enable(i2s->op_clk);

	ret = clk_prepare_enable(i2s->clk);

	if (ret)

		return ret;



	if (i2s->op_clk) {

		ret = clk_prepare_enable(i2s->op_clk);

		if (ret) {

			clk_disable_unprepare(i2s->clk);

			return ret;

		}

	}



	writel(i2s->suspend_i2scon, i2s->addr + I2SCON);

	writel(i2s->suspend_i2smod, i2s->addr + I2SMOD);