[PATCH AUTOSEL 5.4 07/27] ALSA: x86: intel_hdmi_audio: use pm_runtime_resume_and_get()

Sasha Levin
2022-06-28T02:30:35Z

From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

[ Upstream commit bb30b453fedac277d66220431fd7063d9ddc10d8 ]

The current code does not check for errors and does not release the
reference on errors.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220616222910.136854-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/x86/intel_hdmi_audio.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index f16e936559c3..e6f6a1b59047 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -1067,7 +1067,9 @@ static int had_pcm_open(struct snd_pcm_substream *substream)
intelhaddata = snd_pcm_substream_chip(substream);
runtime = substream->runtime;

- pm_runtime_get_sync(intelhaddata->dev);
+ retval = pm_runtime_resume_and_get(intelhaddata->dev);
+ if (retval < 0)
+ return retval;

/* set the runtime hw parameter with local snd_pcm_hardware struct */
runtime->hw = had_pcm_hardware;
@@ -1568,8 +1570,12 @@ static void had_audio_wq(struct work_struct *work)
container_of(work, struct snd_intelhad, hdmi_audio_wq);
struct intel_hdmi_lpe_audio_pdata *pdata = ctx->dev->platform_data;
struct intel_hdmi_lpe_audio_port_pdata *ppdata = &pdata->port[ctx->port];
+ int ret;
+
+ ret = pm_runtime_resume_and_get(ctx->dev);
+ if (ret < 0)
+ return;

- pm_runtime_get_sync(ctx->dev);
mutex_lock(&ctx->mutex);
if (ppdata->pipe < 0) {
dev_dbg(ctx->dev, "%s: Event: HAD_NOTIFY_HOT_UNPLUG : port = %d\n",
--
2.35.1