From 8698475a94d0b7eb21efaa346d507dc4932f2032 Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Tue, 25 Jul 2017 15:44:29 +0530 Subject: [PATCH] ASoC: samsung: s3c24xx: Handle return value of clk_prepare_enable. clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav Reviewed-by: Krzysztof Kozlowski Signed-off-by: Mark Brown --- sound/soc/samsung/s3c24xx-i2s.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index 91e6871e5413..8d58d02183bf 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -340,6 +340,7 @@ EXPORT_SYMBOL_GPL(s3c24xx_i2s_get_clockrate); static int s3c24xx_i2s_probe(struct snd_soc_dai *dai) { + int ret; snd_soc_dai_init_dma_data(dai, &s3c24xx_i2s_pcm_stereo_out, &s3c24xx_i2s_pcm_stereo_in); @@ -348,7 +349,9 @@ static int s3c24xx_i2s_probe(struct snd_soc_dai *dai) pr_err("failed to get iis_clock\n"); return PTR_ERR(s3c24xx_i2s.iis_clk); } - clk_prepare_enable(s3c24xx_i2s.iis_clk); + ret = clk_prepare_enable(s3c24xx_i2s.iis_clk); + if (ret) + return ret; /* Configure the I2S pins (GPE0...GPE4) in correct mode */ s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), @@ -377,7 +380,11 @@ static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai) static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai) { - clk_prepare_enable(s3c24xx_i2s.iis_clk); + int ret; + + ret = clk_prepare_enable(s3c24xx_i2s.iis_clk); + if (ret) + return ret; writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON); writel(s3c24xx_i2s.iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); -- 2.20.1