[alsa-devel] [PATCH 10/11] ASoC: pxa: 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 arvind.yadav.cs@gmail.com --- sound/soc/pxa/pxa2xx-i2s.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c index 3fb60ba..2312c22 100644 --- a/sound/soc/pxa/pxa2xx-i2s.c +++ b/sound/soc/pxa/pxa2xx-i2s.c @@ -164,10 +164,14 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_dmaengine_dai_dma_data *dma_data; + int ret;

if (WARN_ON(IS_ERR(clk_i2s))) return -EINVAL; - clk_prepare_enable(clk_i2s); + ret = clk_prepare_enable(clk_i2s); + if (ret) + return ret; + clk_ena = 1; pxa_i2s_wait();