diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2020-08-13 10:41:10 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-08-17 13:28:57 +0200 |
| commit | 062fa09f44f4fb3776a23184d5d296b0c8872eb9 (patch) | |
| tree | ec52f94ac190a94fc8fce28da782ef5959b13585 /sound | |
| parent | ASoC: wm8994: Avoid attempts to read unreadable registers (diff) | |
| download | linux-062fa09f44f4fb3776a23184d5d296b0c8872eb9.tar.xz linux-062fa09f44f4fb3776a23184d5d296b0c8872eb9.zip | |
ASoC: intel: Fix memleak in sst_media_open
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>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200813084112.26205-1-dinghao.liu@zju.edu.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/intel/atom/sst-mfld-platform-pcm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c index 49b9f18472bc..b1cac7abdc0a 100644 --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -331,7 +331,7 @@ static int sst_media_open(struct snd_pcm_substream *substream, ret_val = power_up_sst(stream); if (ret_val < 0) - return ret_val; + goto out_power_up; /* Make sure, that the period size is always even */ snd_pcm_hw_constraint_step(substream->runtime, 0, @@ -340,8 +340,9 @@ static int sst_media_open(struct snd_pcm_substream *substream, return snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); out_ops: - kfree(stream); mutex_unlock(&sst_lock); +out_power_up: + kfree(stream); return ret_val; } |