diff options
| -rw-r--r-- | include/sound/hdaudio.h | 2 | ||||
| -rw-r--r-- | sound/hda/hdac_device.c | 29 | ||||
| -rw-r--r-- | sound/hda/hdac_sysfs.c | 2 | ||||
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/hdac_hdmi.c | 2 | ||||
| -rw-r--r-- | sound/usb/line6/pcm.c | 5 |
6 files changed, 25 insertions, 17 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index f49af557bdb0..612a17e375d0 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -120,7 +120,7 @@ void snd_hdac_device_unregister(struct hdac_device *codec); int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name); int snd_hdac_codec_modalias(struct hdac_device *hdac, char *buf, size_t size); -int snd_hdac_refresh_widgets(struct hdac_device *codec, bool sysfs); +int snd_hdac_refresh_widgets(struct hdac_device *codec); unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid, unsigned int verb, unsigned int parm); diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c index 4769f4c03e14..a265c1d68876 100644 --- a/sound/hda/hdac_device.c +++ b/sound/hda/hdac_device.c @@ -89,7 +89,7 @@ int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus, fg = codec->afg ? codec->afg : codec->mfg; - err = snd_hdac_refresh_widgets(codec, false); + err = snd_hdac_refresh_widgets(codec); if (err < 0) goto error; @@ -394,32 +394,35 @@ static void setup_fg_nodes(struct hdac_device *codec) /** * snd_hdac_refresh_widgets - Reset the widget start/end nodes * @codec: the codec object - * @sysfs: re-initialize sysfs tree, too */ -int snd_hdac_refresh_widgets(struct hdac_device *codec, bool sysfs) +int snd_hdac_refresh_widgets(struct hdac_device *codec) { hda_nid_t start_nid; - int nums, err; + int nums, err = 0; + /* + * Serialize against multiple threads trying to update the sysfs + * widgets array. + */ + mutex_lock(&codec->widget_lock); nums = snd_hdac_get_sub_nodes(codec, codec->afg, &start_nid); if (!start_nid || nums <= 0 || nums >= 0xff) { dev_err(&codec->dev, "cannot read sub nodes for FG 0x%02x\n", codec->afg); - return -EINVAL; + err = -EINVAL; + goto unlock; } - if (sysfs) { - mutex_lock(&codec->widget_lock); - err = hda_widget_sysfs_reinit(codec, start_nid, nums); - mutex_unlock(&codec->widget_lock); - if (err < 0) - return err; - } + err = hda_widget_sysfs_reinit(codec, start_nid, nums); + if (err < 0) + goto unlock; codec->num_nodes = nums; codec->start_nid = start_nid; codec->end_nid = start_nid + nums; - return 0; +unlock: + mutex_unlock(&codec->widget_lock); + return err; } EXPORT_SYMBOL_GPL(snd_hdac_refresh_widgets); diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c index 909d5ef1179c..e56e83325903 100644 --- a/sound/hda/hdac_sysfs.c +++ b/sound/hda/hdac_sysfs.c @@ -428,7 +428,7 @@ int hda_widget_sysfs_reinit(struct hdac_device *codec, int i; if (!codec->widgets) - return hda_widget_sysfs_init(codec); + return 0; tree = kmemdup(codec->widgets, sizeof(*tree), GFP_KERNEL); if (!tree) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index ccb53f1c1e1a..7d8834907f1f 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1016,7 +1016,7 @@ int snd_hda_codec_update_widgets(struct hda_codec *codec) hda_nid_t fg; int err; - err = snd_hdac_refresh_widgets(&codec->core, true); + err = snd_hdac_refresh_widgets(&codec->core); if (err < 0) return err; diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index 660e0587f399..6302ad5b7128 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -2043,7 +2043,7 @@ static int hdac_hdmi_dev_probe(struct hdac_device *hdev) "Failed in parse and map nid with err: %d\n", ret); return ret; } - snd_hdac_refresh_widgets(hdev, true); + snd_hdac_refresh_widgets(hdev); /* ASoC specific initialization */ ret = devm_snd_soc_register_component(&hdev->dev, &hdmi_hda_codec, diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 72c6f8e82a7e..78c2d6cab3b5 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -560,6 +560,11 @@ int line6_init_pcm(struct usb_line6 *line6, line6pcm->max_packet_size_out = usb_maxpacket(line6->usbdev, usb_sndisocpipe(line6->usbdev, ep_write), 1); + if (!line6pcm->max_packet_size_in || !line6pcm->max_packet_size_out) { + dev_err(line6pcm->line6->ifcdev, + "cannot get proper max packet size\n"); + return -EINVAL; + } spin_lock_init(&line6pcm->out.lock); spin_lock_init(&line6pcm->in.lock); |