summaryrefslogtreecommitdiffstats
path: root/sound/core
diff options
context:
space:
mode:
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/control_compat.c2
-rw-r--r--sound/core/info.c21
-rw-r--r--sound/core/jack.c15
-rw-r--r--sound/core/pcm.c1
-rw-r--r--sound/core/pcm_compat.c8
-rw-r--r--sound/core/seq/oss/seq_oss_midi.c35
6 files changed, 50 insertions, 32 deletions
diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index 00d826b04..eb6735f16 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -236,7 +236,7 @@ static int copy_ctl_value_from_user(struct snd_card *card,
{
struct snd_ctl_elem_value32 __user *data32 = userdata;
int i, type, size;
- int uninitialized_var(count);
+ int count;
unsigned int indirect;
if (copy_from_user(&data->id, &data32->id, sizeof(data->id)))
diff --git a/sound/core/info.c b/sound/core/info.c
index 2ac656db0..b2c459ca5 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -72,7 +72,7 @@ struct snd_info_private_data {
};
static int snd_info_version_init(void);
-static void snd_info_disconnect(struct snd_info_entry *entry);
+static void snd_info_clear_entries(struct snd_info_entry *entry);
/*
@@ -598,11 +598,16 @@ void snd_info_card_disconnect(struct snd_card *card)
{
if (!card)
return;
- mutex_lock(&info_mutex);
+
proc_remove(card->proc_root_link);
- card->proc_root_link = NULL;
if (card->proc_root)
- snd_info_disconnect(card->proc_root);
+ proc_remove(card->proc_root->p);
+
+ mutex_lock(&info_mutex);
+ if (card->proc_root)
+ snd_info_clear_entries(card->proc_root);
+ card->proc_root_link = NULL;
+ card->proc_root = NULL;
mutex_unlock(&info_mutex);
}
@@ -776,15 +781,14 @@ struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card,
}
EXPORT_SYMBOL(snd_info_create_card_entry);
-static void snd_info_disconnect(struct snd_info_entry *entry)
+static void snd_info_clear_entries(struct snd_info_entry *entry)
{
struct snd_info_entry *p;
if (!entry->p)
return;
list_for_each_entry(p, &entry->children, list)
- snd_info_disconnect(p);
- proc_remove(entry->p);
+ snd_info_clear_entries(p);
entry->p = NULL;
}
@@ -801,8 +805,9 @@ void snd_info_free_entry(struct snd_info_entry * entry)
if (!entry)
return;
if (entry->p) {
+ proc_remove(entry->p);
mutex_lock(&info_mutex);
- snd_info_disconnect(entry);
+ snd_info_clear_entries(entry);
mutex_unlock(&info_mutex);
}
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 074b15fcb..06e0fc7b6 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -378,6 +378,7 @@ void snd_jack_report(struct snd_jack *jack, int status)
{
struct snd_jack_kctl *jack_kctl;
#ifdef CONFIG_SND_JACK_INPUT_DEV
+ struct input_dev *idev;
int i;
#endif
@@ -389,30 +390,28 @@ void snd_jack_report(struct snd_jack *jack, int status)
status & jack_kctl->mask_bits);
#ifdef CONFIG_SND_JACK_INPUT_DEV
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
+ idev = input_get_device(jack->input_dev);
+ if (!idev)
return;
- }
for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
int testbit = SND_JACK_BTN_0 >> i;
if (jack->type & testbit)
- input_report_key(jack->input_dev, jack->key[i],
+ input_report_key(idev, jack->key[i],
status & testbit);
}
for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
int testbit = 1 << i;
if (jack->type & testbit)
- input_report_switch(jack->input_dev,
+ input_report_switch(idev,
jack_switch_types[i],
status & testbit);
}
- input_sync(jack->input_dev);
- mutex_unlock(&jack->input_dev_lock);
+ input_sync(idev);
+ input_put_device(idev);
#endif /* CONFIG_SND_JACK_INPUT_DEV */
}
EXPORT_SYMBOL(snd_jack_report);
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 8eed6244b..601f60bb2 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -266,6 +266,7 @@ static char *snd_pcm_state_names[] = {
STATE(DRAINING),
STATE(PAUSED),
STATE(SUSPENDED),
+ STATE(DISCONNECTED),
};
static char *snd_pcm_access_names[] = {
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 946ab080a..7c5799fec 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -329,10 +329,14 @@ static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream,
goto error;
}
- if (refine)
+ if (refine) {
err = snd_pcm_hw_refine(substream, data);
- else
+ if (err < 0)
+ goto error;
+ err = fixup_unreferenced_params(substream, data);
+ } else {
err = snd_pcm_hw_params(substream, data);
+ }
if (err < 0)
goto error;
if (copy_to_user(data32, data, sizeof(*data32)) ||
diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
index 838c3c8b4..2ddfd6fed 100644
--- a/sound/core/seq/oss/seq_oss_midi.c
+++ b/sound/core/seq/oss/seq_oss_midi.c
@@ -50,6 +50,7 @@ struct seq_oss_midi {
struct snd_midi_event *coder; /* MIDI event coder */
struct seq_oss_devinfo *devinfo; /* assigned OSSseq device */
snd_use_lock_t use_lock;
+ struct mutex open_mutex;
};
@@ -184,6 +185,7 @@ snd_seq_oss_midi_check_new_port(struct snd_seq_port_info *pinfo)
mdev->flags = pinfo->capability;
mdev->opened = 0;
snd_use_lock_init(&mdev->use_lock);
+ mutex_init(&mdev->open_mutex);
/* copy and truncate the name of synth device */
strlcpy(mdev->name, pinfo->name, sizeof(mdev->name));
@@ -332,14 +334,16 @@ snd_seq_oss_midi_open(struct seq_oss_devinfo *dp, int dev, int fmode)
int perm;
struct seq_oss_midi *mdev;
struct snd_seq_port_subscribe subs;
+ int err;
if ((mdev = get_mididev(dp, dev)) == NULL)
return -ENODEV;
+ mutex_lock(&mdev->open_mutex);
/* already used? */
if (mdev->opened && mdev->devinfo != dp) {
- snd_use_lock_free(&mdev->use_lock);
- return -EBUSY;
+ err = -EBUSY;
+ goto unlock;
}
perm = 0;
@@ -349,14 +353,14 @@ snd_seq_oss_midi_open(struct seq_oss_devinfo *dp, int dev, int fmode)
perm |= PERM_READ;
perm &= mdev->flags;
if (perm == 0) {
- snd_use_lock_free(&mdev->use_lock);
- return -ENXIO;
+ err = -ENXIO;
+ goto unlock;
}
/* already opened? */
if ((mdev->opened & perm) == perm) {
- snd_use_lock_free(&mdev->use_lock);
- return 0;
+ err = 0;
+ goto unlock;
}
perm &= ~mdev->opened;
@@ -381,13 +385,17 @@ snd_seq_oss_midi_open(struct seq_oss_devinfo *dp, int dev, int fmode)
}
if (! mdev->opened) {
- snd_use_lock_free(&mdev->use_lock);
- return -ENXIO;
+ err = -ENXIO;
+ goto unlock;
}
mdev->devinfo = dp;
+ err = 0;
+
+ unlock:
+ mutex_unlock(&mdev->open_mutex);
snd_use_lock_free(&mdev->use_lock);
- return 0;
+ return err;
}
/*
@@ -401,10 +409,9 @@ snd_seq_oss_midi_close(struct seq_oss_devinfo *dp, int dev)
if ((mdev = get_mididev(dp, dev)) == NULL)
return -ENODEV;
- if (! mdev->opened || mdev->devinfo != dp) {
- snd_use_lock_free(&mdev->use_lock);
- return 0;
- }
+ mutex_lock(&mdev->open_mutex);
+ if (!mdev->opened || mdev->devinfo != dp)
+ goto unlock;
memset(&subs, 0, sizeof(subs));
if (mdev->opened & PERM_WRITE) {
@@ -423,6 +430,8 @@ snd_seq_oss_midi_close(struct seq_oss_devinfo *dp, int dev)
mdev->opened = 0;
mdev->devinfo = NULL;
+ unlock:
+ mutex_unlock(&mdev->open_mutex);
snd_use_lock_free(&mdev->use_lock);
return 0;
}