When power_up_sst() fails, stream needs to be freed just like when try_module_get() fails. However, current code is returning directly and ends up leaking memory.
Fixes: 0121327c1a68b ("ASoC: Intel: mfld-pcm: add control for powering up/down dsp") Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn --- sound/soc/intel/atom/sst-mfld-platform-pcm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c index 49b9f18472bc..79fedf9e3da1 100644 --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -330,8 +330,10 @@ static int sst_media_open(struct snd_pcm_substream *substream, runtime->private_data = stream;
ret_val = power_up_sst(stream); - if (ret_val < 0) + if (ret_val < 0) { + kfree(stream); return ret_val; + }
/* Make sure, that the period size is always even */ snd_pcm_hw_constraint_step(substream->runtime, 0,