linux-kernel - [PATCH 01/11] ASoC: Intel: catpt: use pm_runtime_resume_and

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 16 Jun 2022 17:04:17 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     tiwai@...e.de, broonie@...nel.org,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Lianjie Zhang <zhanglianjie@...ontech.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 01/11] ASoC: Intel: catpt: use pm_runtime_resume_and_get()

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@...ux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
---
 sound/soc/intel/catpt/pcm.c   | 26 ++++++++++++++++++++------
 sound/soc/intel/catpt/sysfs.c |  4 +++-
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/sound/soc/intel/catpt/pcm.c b/sound/soc/intel/catpt/pcm.c
index a26000cd5cebc..30ca5416c9a3f 100644
--- a/sound/soc/intel/catpt/pcm.c
+++ b/sound/soc/intel/catpt/pcm.c
@@ -667,7 +667,9 @@ static int catpt_dai_pcm_new(struct snd_soc_pcm_runtime *rtm,
 	if (!memcmp(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt)))
 		return 0;
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	ret = catpt_ipc_set_device_format(cdev, &devfmt);
 
@@ -853,9 +855,12 @@ static int catpt_mixer_volume_get(struct snd_kcontrol *kcontrol,
 		snd_soc_kcontrol_component(kcontrol);
 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
 	u32 dspvol;
+	int ret;
 	int i;
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	for (i = 0; i < CATPT_CHANNELS_MAX; i++) {
 		dspvol = catpt_mixer_volume(cdev, &cdev->mixer, i);
@@ -876,7 +881,9 @@ static int catpt_mixer_volume_put(struct snd_kcontrol *kcontrol,
 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
 	int ret;
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	ret = catpt_set_dspvol(cdev, cdev->mixer.mixer_hw_id,
 			       ucontrol->value.integer.value);
@@ -897,6 +904,7 @@ static int catpt_stream_volume_get(struct snd_kcontrol *kcontrol,
 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
 	long *ctlvol = (long *)kcontrol->private_value;
 	u32 dspvol;
+	int ret;
 	int i;
 
 	stream = catpt_stream_find(cdev, pin_id);
@@ -906,7 +914,9 @@ static int catpt_stream_volume_get(struct snd_kcontrol *kcontrol,
 		return 0;
 	}
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	for (i = 0; i < CATPT_CHANNELS_MAX; i++) {
 		dspvol = catpt_stream_volume(cdev, stream, i);
@@ -937,7 +947,9 @@ static int catpt_stream_volume_put(struct snd_kcontrol *kcontrol,
 		return 0;
 	}
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	ret = catpt_set_dspvol(cdev, stream->info.stream_hw_id,
 			       ucontrol->value.integer.value);
@@ -1013,7 +1025,9 @@ static int catpt_loopback_switch_put(struct snd_kcontrol *kcontrol,
 		return 0;
 	}
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	ret = catpt_ipc_mute_loopback(cdev, stream->info.stream_hw_id, mute);
 
diff --git a/sound/soc/intel/catpt/sysfs.c b/sound/soc/intel/catpt/sysfs.c
index 9579e233a15db..1bdbcc04dc712 100644
--- a/sound/soc/intel/catpt/sysfs.c
+++ b/sound/soc/intel/catpt/sysfs.c
@@ -15,7 +15,9 @@ static ssize_t fw_version_show(struct device *dev,
 	struct catpt_fw_version version;
 	int ret;
 
-	pm_runtime_get_sync(cdev->dev);
+	ret = pm_runtime_resume_and_get(cdev->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
 
 	ret = catpt_ipc_get_fw_version(cdev, &version);
 
-- 
2.34.1