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-rw-r--r--sound/core/seq/oss/Makefile2
-rw-r--r--sound/core/seq/oss/seq_oss.c72
-rw-r--r--sound/core/seq/oss/seq_oss_device.h14
-rw-r--r--sound/core/seq/oss/seq_oss_event.c14
-rw-r--r--sound/core/seq/oss/seq_oss_init.c88
-rw-r--r--sound/core/seq/oss/seq_oss_ioctl.c18
-rw-r--r--sound/core/seq/oss/seq_oss_midi.c24
-rw-r--r--sound/core/seq/oss/seq_oss_readq.c5
-rw-r--r--sound/core/seq/oss/seq_oss_synth.c29
-rw-r--r--sound/core/seq/oss/seq_oss_timer.c8
-rw-r--r--sound/core/seq/oss/seq_oss_writeq.c7
11 files changed, 129 insertions, 152 deletions
diff --git a/sound/core/seq/oss/Makefile b/sound/core/seq/oss/Makefile
index a37ddedf710..b38406b8463 100644
--- a/sound/core/seq/oss/Makefile
+++ b/sound/core/seq/oss/Makefile
@@ -1,6 +1,6 @@
#
# Makefile for ALSA
-# Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+# Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
#
snd-seq-oss-objs := seq_oss.o seq_oss_init.o seq_oss_timer.o seq_oss_ioctl.o \
diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
index c98f0ba1381..16d42679e43 100644
--- a/sound/core/seq/oss/seq_oss.c
+++ b/sound/core/seq/oss/seq_oss.c
@@ -20,10 +20,9 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <sound/driver.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/minors.h>
#include <sound/initval.h>
@@ -40,12 +39,6 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_SEQUENCER);
MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_MUSIC);
-#ifdef SNDRV_SEQ_OSS_DEBUG
-module_param(seq_oss_debug, int, 0644);
-MODULE_PARM_DESC(seq_oss_debug, "debug option");
-int seq_oss_debug = 0;
-#endif
-
/*
* prototypes
@@ -124,7 +117,7 @@ module_exit(alsa_seq_oss_exit)
* ALSA minor device interface
*/
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
static int
odev_open(struct inode *inode, struct file *file)
@@ -136,9 +129,9 @@ odev_open(struct inode *inode, struct file *file)
else
level = SNDRV_SEQ_OSS_MODE_SYNTH;
- down(&register_mutex);
+ mutex_lock(&register_mutex);
rc = snd_seq_oss_open(file, level);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return rc;
}
@@ -153,9 +146,9 @@ odev_release(struct inode *inode, struct file *file)
snd_seq_oss_drain_write(dp);
- down(&register_mutex);
+ mutex_lock(&register_mutex);
snd_seq_oss_release(dp);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return 0;
}
@@ -165,7 +158,8 @@ odev_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
- snd_assert(dp != NULL, return -EIO);
+ if (snd_BUG_ON(!dp))
+ return -ENXIO;
return snd_seq_oss_read(dp, buf, count);
}
@@ -175,7 +169,8 @@ odev_write(struct file *file, const char __user *buf, size_t count, loff_t *offs
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
- snd_assert(dp != NULL, return -EIO);
+ if (snd_BUG_ON(!dp))
+ return -ENXIO;
return snd_seq_oss_write(dp, buf, count, file);
}
@@ -184,7 +179,8 @@ odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
- snd_assert(dp != NULL, return -EIO);
+ if (snd_BUG_ON(!dp))
+ return -ENXIO;
return snd_seq_oss_ioctl(dp, cmd, arg);
}
@@ -199,7 +195,8 @@ odev_poll(struct file *file, poll_table * wait)
{
struct seq_oss_devinfo *dp;
dp = file->private_data;
- snd_assert(dp != NULL, return 0);
+ if (snd_BUG_ON(!dp))
+ return -ENXIO;
return snd_seq_oss_poll(dp, file, wait);
}
@@ -207,7 +204,7 @@ odev_poll(struct file *file, poll_table * wait)
* registration of sequencer minor device
*/
-static struct file_operations seq_oss_f_ops =
+static const struct file_operations seq_oss_f_ops =
{
.owner = THIS_MODULE,
.read = odev_read,
@@ -217,6 +214,7 @@ static struct file_operations seq_oss_f_ops =
.poll = odev_poll,
.unlocked_ioctl = odev_ioctl,
.compat_ioctl = odev_ioctl_compat,
+ .llseek = noop_llseek,
};
static int __init
@@ -224,39 +222,35 @@ register_device(void)
{
int rc;
- down(&register_mutex);
+ mutex_lock(&register_mutex);
if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER,
NULL, 0,
- &seq_oss_f_ops, NULL,
- SNDRV_SEQ_OSS_DEVNAME)) < 0) {
- snd_printk(KERN_ERR "can't register device seq\n");
- up(&register_mutex);
+ &seq_oss_f_ops, NULL)) < 0) {
+ pr_err("ALSA: seq_oss: can't register device seq\n");
+ mutex_unlock(&register_mutex);
return rc;
}
if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC,
NULL, 0,
- &seq_oss_f_ops, NULL,
- SNDRV_SEQ_OSS_DEVNAME)) < 0) {
- snd_printk(KERN_ERR "can't register device music\n");
+ &seq_oss_f_ops, NULL)) < 0) {
+ pr_err("ALSA: seq_oss: can't register device music\n");
snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return rc;
}
- debug_printk(("device registered\n"));
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return 0;
}
static void
unregister_device(void)
{
- down(&register_mutex);
- debug_printk(("device unregistered\n"));
+ mutex_lock(&register_mutex);
if (snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC, NULL, 0) < 0)
- snd_printk(KERN_ERR "error unregister device music\n");
+ pr_err("ALSA: seq_oss: error unregister device music\n");
if (snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0) < 0)
- snd_printk(KERN_ERR "error unregister device seq\n");
- up(&register_mutex);
+ pr_err("ALSA: seq_oss: error unregister device seq\n");
+ mutex_unlock(&register_mutex);
}
/*
@@ -270,12 +264,12 @@ static struct snd_info_entry *info_entry;
static void
info_read(struct snd_info_entry *entry, struct snd_info_buffer *buf)
{
- down(&register_mutex);
+ mutex_lock(&register_mutex);
snd_iprintf(buf, "OSS sequencer emulation version %s\n", SNDRV_SEQ_OSS_VERSION_STR);
snd_seq_oss_system_info_read(buf);
snd_seq_oss_synth_info_read(buf);
snd_seq_oss_midi_info_read(buf);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
}
@@ -290,7 +284,6 @@ register_proc(void)
entry->content = SNDRV_INFO_CONTENT_TEXT;
entry->private_data = NULL;
- entry->c.text.read_size = 1024;
entry->c.text.read = info_read;
if (snd_info_register(entry) < 0) {
snd_info_free_entry(entry);
@@ -303,8 +296,7 @@ register_proc(void)
static void
unregister_proc(void)
{
- if (info_entry)
- snd_info_unregister(info_entry);
+ snd_info_free_entry(info_entry);
info_entry = NULL;
}
#endif /* CONFIG_PROC_FS */
diff --git a/sound/core/seq/oss/seq_oss_device.h b/sound/core/seq/oss/seq_oss_device.h
index 9a8567c928e..b4392432524 100644
--- a/sound/core/seq/oss/seq_oss_device.h
+++ b/sound/core/seq/oss/seq_oss_device.h
@@ -21,7 +21,6 @@
#ifndef __SEQ_OSS_DEVICE_H
#define __SEQ_OSS_DEVICE_H
-#include <sound/driver.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/slab.h>
@@ -32,9 +31,6 @@
#include <sound/seq_kernel.h>
#include <sound/info.h>
-/* enable debug print */
-#define SNDRV_SEQ_OSS_DEBUG
-
/* max. applications */
#define SNDRV_SEQ_OSS_MAX_CLIENTS 16
#define SNDRV_SEQ_OSS_MAX_SYNTH_DEVS 16
@@ -47,7 +43,6 @@
#define SNDRV_SEQ_OSS_VERSION_STR "0.1.8"
/* device and proc interface name */
-#define SNDRV_SEQ_OSS_DEVNAME "seq_oss"
#define SNDRV_SEQ_OSS_PROCNAME "oss"
@@ -178,13 +173,4 @@ snd_seq_oss_fill_addr(struct seq_oss_devinfo *dp, struct snd_seq_event *ev,
/* misc. functions for proc interface */
char *enabled_str(int bool);
-
-/* for debug */
-#ifdef SNDRV_SEQ_OSS_DEBUG
-extern int seq_oss_debug;
-#define debug_printk(x) do { if (seq_oss_debug > 0) snd_printk x; } while (0)
-#else
-#define debug_printk(x) /**/
-#endif
-
#endif /* __SEQ_OSS_DEVICE_H */
diff --git a/sound/core/seq/oss/seq_oss_event.c b/sound/core/seq/oss/seq_oss_event.c
index 066f5f3e3f4..c3908862bc8 100644
--- a/sound/core/seq/oss/seq_oss_event.c
+++ b/sound/core/seq/oss/seq_oss_event.c
@@ -285,7 +285,12 @@ local_event(struct seq_oss_devinfo *dp, union evrec *q, struct snd_seq_event *ev
static int
note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, struct snd_seq_event *ev)
{
- struct seq_oss_synthinfo *info = &dp->synths[dev];
+ struct seq_oss_synthinfo *info;
+
+ if (!snd_seq_oss_synth_is_valid(dp, dev))
+ return -ENXIO;
+
+ info = &dp->synths[dev];
switch (info->arg.event_passing) {
case SNDRV_SEQ_OSS_PROCESS_EVENTS:
if (! info->ch || ch < 0 || ch >= info->nr_voices) {
@@ -340,7 +345,12 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, st
static int
note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, struct snd_seq_event *ev)
{
- struct seq_oss_synthinfo *info = &dp->synths[dev];
+ struct seq_oss_synthinfo *info;
+
+ if (!snd_seq_oss_synth_is_valid(dp, dev))
+ return -ENXIO;
+
+ info = &dp->synths[dev];
switch (info->arg.event_passing) {
case SNDRV_SEQ_OSS_PROCESS_EVENTS:
if (! info->ch || ch < 0 || ch >= info->nr_voices) {
diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c
index ca5a2ed4d7c..b9184d20c39 100644
--- a/sound/core/seq/oss/seq_oss_init.c
+++ b/sound/core/seq/oss/seq_oss_init.c
@@ -28,7 +28,10 @@
#include "seq_oss_timer.h"
#include "seq_oss_event.h"
#include <linux/init.h>
+#include <linux/export.h>
#include <linux/moduleparam.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
/*
* common variables
@@ -58,6 +61,14 @@ static void free_devinfo(void *private);
#define call_ctl(type,rec) snd_seq_kernel_client_ctl(system_client, type, rec)
+/* call snd_seq_oss_midi_lookup_ports() asynchronously */
+static void async_call_lookup_ports(struct work_struct *work)
+{
+ snd_seq_oss_midi_lookup_ports(system_client);
+}
+
+static DECLARE_WORK(async_lookup_work, async_call_lookup_ports);
+
/*
* create sequencer client for OSS sequencer
*/
@@ -81,10 +92,6 @@ snd_seq_oss_create_client(void)
goto __error;
system_client = rc;
- debug_printk(("new client = %d\n", rc));
-
- /* look up midi devices */
- snd_seq_oss_midi_lookup_ports(system_client);
/* create annoucement receiver port */
memset(port, 0, sizeof(*port));
@@ -113,6 +120,9 @@ snd_seq_oss_create_client(void)
}
rc = 0;
+ /* look up midi devices */
+ schedule_work(&async_lookup_work);
+
__error:
kfree(port);
return rc;
@@ -158,6 +168,7 @@ receive_announce(struct snd_seq_event *ev, int direct, void *private, int atomic
int
snd_seq_oss_delete_client(void)
{
+ cancel_work_sync(&async_lookup_work);
if (system_client >= 0)
snd_seq_delete_kernel_client(system_client);
@@ -176,49 +187,48 @@ snd_seq_oss_open(struct file *file, int level)
int i, rc;
struct seq_oss_devinfo *dp;
- if ((dp = kzalloc(sizeof(*dp), GFP_KERNEL)) == NULL) {
- snd_printk(KERN_ERR "can't malloc device info\n");
+ dp = kzalloc(sizeof(*dp), GFP_KERNEL);
+ if (!dp) {
+ pr_err("ALSA: seq_oss: can't malloc device info\n");
return -ENOMEM;
}
- debug_printk(("oss_open: dp = %p\n", dp));
+
+ dp->cseq = system_client;
+ dp->port = -1;
+ dp->queue = -1;
for (i = 0; i < SNDRV_SEQ_OSS_MAX_CLIENTS; i++) {
if (client_table[i] == NULL)
break;
}
- if (i >= SNDRV_SEQ_OSS_MAX_CLIENTS) {
- snd_printk(KERN_ERR "too many applications\n");
- kfree(dp);
- return -ENOMEM;
- }
dp->index = i;
- dp->cseq = system_client;
- dp->port = -1;
- dp->queue = -1;
- dp->readq = NULL;
- dp->writeq = NULL;
+ if (i >= SNDRV_SEQ_OSS_MAX_CLIENTS) {
+ pr_err("ALSA: seq_oss: too many applications\n");
+ rc = -ENOMEM;
+ goto _error;
+ }
/* look up synth and midi devices */
snd_seq_oss_synth_setup(dp);
snd_seq_oss_midi_setup(dp);
if (dp->synth_opened == 0 && dp->max_mididev == 0) {
- /* snd_printk(KERN_ERR "no device found\n"); */
+ /* pr_err("ALSA: seq_oss: no device found\n"); */
rc = -ENODEV;
goto _error;
}
/* create port */
- debug_printk(("create new port\n"));
- if ((rc = create_port(dp)) < 0) {
- snd_printk(KERN_ERR "can't create port\n");
+ rc = create_port(dp);
+ if (rc < 0) {
+ pr_err("ALSA: seq_oss: can't create port\n");
goto _error;
}
/* allocate queue */
- debug_printk(("allocate queue\n"));
- if ((rc = alloc_seq_queue(dp)) < 0)
+ rc = alloc_seq_queue(dp);
+ if (rc < 0)
goto _error;
/* set address */
@@ -233,32 +243,30 @@ snd_seq_oss_open(struct file *file, int level)
dp->file_mode = translate_mode(file);
/* initialize read queue */
- debug_printk(("initialize read queue\n"));
if (is_read_mode(dp->file_mode)) {
- if ((dp->readq = snd_seq_oss_readq_new(dp, maxqlen)) == NULL) {
+ dp->readq = snd_seq_oss_readq_new(dp, maxqlen);
+ if (!dp->readq) {
rc = -ENOMEM;
goto _error;
}
}
/* initialize write queue */
- debug_printk(("initialize write queue\n"));
if (is_write_mode(dp->file_mode)) {
dp->writeq = snd_seq_oss_writeq_new(dp, maxqlen);
- if (dp->writeq == NULL) {
+ if (!dp->writeq) {
rc = -ENOMEM;
goto _error;
}
}
/* initialize timer */
- debug_printk(("initialize timer\n"));
- if ((dp->timer = snd_seq_oss_timer_new(dp)) == NULL) {
- snd_printk(KERN_ERR "can't alloc timer\n");
+ dp->timer = snd_seq_oss_timer_new(dp);
+ if (!dp->timer) {
+ pr_err("ALSA: seq_oss: can't alloc timer\n");
rc = -ENOMEM;
goto _error;
}
- debug_printk(("timer initialized\n"));
/* set private data pointer */
file->private_data = dp;
@@ -272,15 +280,13 @@ snd_seq_oss_open(struct file *file, int level)
client_table[dp->index] = dp;
num_clients++;
- debug_printk(("open done\n"));
return 0;
_error:
snd_seq_oss_synth_cleanup(dp);
snd_seq_oss_midi_cleanup(dp);
- i = dp->queue;
+ delete_seq_queue(dp->queue);
delete_port(dp);
- delete_seq_queue(i);
return rc;
}
@@ -332,7 +338,6 @@ create_port(struct seq_oss_devinfo *dp)
return rc;
dp->port = port.addr.port;
- debug_printk(("new port = %d\n", port.addr.port));
return 0;
}
@@ -343,10 +348,11 @@ create_port(struct seq_oss_devinfo *dp)
static int
delete_port(struct seq_oss_devinfo *dp)
{
- if (dp->port < 0)
+ if (dp->port < 0) {
+ kfree(dp);
return 0;
+ }
- debug_printk(("delete_port %i\n", dp->port));
return snd_seq_event_port_detach(dp->cseq, dp->port);
}
@@ -384,7 +390,7 @@ delete_seq_queue(int queue)
qinfo.queue = queue;
rc = call_ctl(SNDRV_SEQ_IOCTL_DELETE_QUEUE, &qinfo);
if (rc < 0)
- printk(KERN_ERR "seq-oss: unable to delete queue %d (%d)\n", queue, rc);
+ pr_err("ALSA: seq_oss: unable to delete queue %d (%d)\n", queue, rc);
return rc;
}
@@ -421,21 +427,16 @@ snd_seq_oss_release(struct seq_oss_devinfo *dp)
client_table[dp->index] = NULL;
num_clients--;
- debug_printk(("resetting..\n"));
snd_seq_oss_reset(dp);
- debug_printk(("cleaning up..\n"));
snd_seq_oss_synth_cleanup(dp);
snd_seq_oss_midi_cleanup(dp);
/* clear slot */
- debug_printk(("releasing resource..\n"));
queue = dp->queue;
if (dp->port >= 0)
delete_port(dp);
delete_seq_queue(queue);
-
- debug_printk(("release done\n"));
}
@@ -449,7 +450,6 @@ snd_seq_oss_drain_write(struct seq_oss_devinfo *dp)
return;
if (is_write_mode(dp->file_mode) && !is_nonblock_mode(dp->file_mode) &&
dp->writeq) {
- debug_printk(("syncing..\n"));
while (snd_seq_oss_writeq_sync(dp->writeq))
;
}
diff --git a/sound/core/seq/oss/seq_oss_ioctl.c b/sound/core/seq/oss/seq_oss_ioctl.c
index 5ac701c903c..5b8520177b0 100644
--- a/sound/core/seq/oss/seq_oss_ioctl.c
+++ b/sound/core/seq/oss/seq_oss_ioctl.c
@@ -90,12 +90,10 @@ snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long ca
return snd_seq_oss_timer_ioctl(dp->timer, cmd, arg);
case SNDCTL_SEQ_PANIC:
- debug_printk(("panic\n"));
snd_seq_oss_reset(dp);
return -EINVAL;
case SNDCTL_SEQ_SYNC:
- debug_printk(("sync\n"));
if (! is_write_mode(dp->file_mode) || dp->writeq == NULL)
return 0;
while (snd_seq_oss_writeq_sync(dp->writeq))
@@ -105,55 +103,45 @@ snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long ca
return 0;
case SNDCTL_SEQ_RESET:
- debug_printk(("reset\n"));
snd_seq_oss_reset(dp);
return 0;
case SNDCTL_SEQ_TESTMIDI:
- debug_printk(("test midi\n"));
if (get_user(dev, p))
return -EFAULT;
return snd_seq_oss_midi_open(dp, dev, dp->file_mode);
case SNDCTL_SEQ_GETINCOUNT:
- debug_printk(("get in count\n"));
if (dp->readq == NULL || ! is_read_mode(dp->file_mode))
return 0;
return put_user(dp->readq->qlen, p) ? -EFAULT : 0;
case SNDCTL_SEQ_GETOUTCOUNT:
- debug_printk(("get out count\n"));
if (! is_write_mode(dp->file_mode) || dp->writeq == NULL)
return 0;
return put_user(snd_seq_oss_writeq_get_free_size(dp->writeq), p) ? -EFAULT : 0;
case SNDCTL_SEQ_GETTIME:
- debug_printk(("get time\n"));
return put_user(snd_seq_oss_timer_cur_tick(dp->timer), p) ? -EFAULT : 0;
case SNDCTL_SEQ_RESETSAMPLES:
- debug_printk(("reset samples\n"));
if (get_user(dev, p))
return -EFAULT;
return snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
case SNDCTL_SEQ_NRSYNTHS:
- debug_printk(("nr synths\n"));
return put_user(dp->max_synthdev, p) ? -EFAULT : 0;
case SNDCTL_SEQ_NRMIDIS:
- debug_printk(("nr midis\n"));
return put_user(dp->max_mididev, p) ? -EFAULT : 0;
case SNDCTL_SYNTH_MEMAVL:
- debug_printk(("mem avail\n"));
if (get_user(dev, p))
return -EFAULT;
val = snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
return put_user(val, p) ? -EFAULT : 0;
case SNDCTL_FM_4OP_ENABLE:
- debug_printk(("4op\n"));
if (get_user(dev, p))
return -EFAULT;
snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
@@ -161,19 +149,15 @@ snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long ca
case SNDCTL_SYNTH_INFO:
case SNDCTL_SYNTH_ID:
- debug_printk(("synth info\n"));
return snd_seq_oss_synth_info_user(dp, arg);
case SNDCTL_SEQ_OUTOFBAND:
- debug_printk(("out of band\n"));
return snd_seq_oss_oob_user(dp, arg);
case SNDCTL_MIDI_INFO:
- debug_printk(("midi info\n"));
return snd_seq_oss_midi_info_user(dp, arg);
case SNDCTL_SEQ_THRESHOLD:
- debug_printk(("threshold\n"));
if (! is_write_mode(dp->file_mode))
return 0;
if (get_user(val, p))
@@ -186,7 +170,6 @@ snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long ca
return 0;
case SNDCTL_MIDI_PRETIME:
- debug_printk(("pretime\n"));
if (dp->readq == NULL || !is_read_mode(dp->file_mode))
return 0;
if (get_user(val, p))
@@ -199,7 +182,6 @@ snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long ca
return put_user(val, p) ? -EFAULT : 0;
default:
- debug_printk(("others\n"));
if (! is_write_mode(dp->file_mode))
return -EIO;
return snd_seq_oss_synth_ioctl(dp, 0, cmd, carg);
diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
index 0a711d2d04f..3a4569669ef 100644
--- a/sound/core/seq/oss/seq_oss_midi.c
+++ b/sound/core/seq/oss/seq_oss_midi.c
@@ -20,6 +20,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <sound/asoundef.h>
#include "seq_oss_midi.h"
#include "seq_oss_readq.h"
#include "seq_oss_timer.h"
@@ -27,6 +28,7 @@
#include <sound/seq_midi_event.h>
#include "../seq_lock.h"
#include <linux/init.h>
+#include <linux/slab.h>
/*
@@ -70,7 +72,7 @@ static int send_midi_event(struct seq_oss_devinfo *dp, struct snd_seq_event *ev,
* look up the existing ports
* this looks a very exhausting job.
*/
-int __init
+int
snd_seq_oss_midi_lookup_ports(int client)
{
struct snd_seq_client_info *clinfo;
@@ -151,7 +153,6 @@ snd_seq_oss_midi_check_new_port(struct snd_seq_port_info *pinfo)
struct seq_oss_midi *mdev;
unsigned long flags;
- debug_printk(("check for MIDI client %d port %d\n", pinfo->addr.client, pinfo->addr.port));
/* the port must include generic midi */
if (! (pinfo->type & SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC))
return 0;
@@ -173,7 +174,7 @@ snd_seq_oss_midi_check_new_port(struct snd_seq_port_info *pinfo)
* allocate midi info record
*/
if ((mdev = kzalloc(sizeof(*mdev), GFP_KERNEL)) == NULL) {
- snd_printk(KERN_ERR "can't malloc midi info\n");
+ pr_err("ALSA: seq_oss: can't malloc midi info\n");
return -ENOMEM;
}
@@ -189,7 +190,7 @@ snd_seq_oss_midi_check_new_port(struct snd_seq_port_info *pinfo)
/* create MIDI coder */
if (snd_midi_event_new(MAX_MIDI_EVENT_BUF, &mdev->coder) < 0) {
- snd_printk(KERN_ERR "can't malloc midi coder\n");
+ pr_err("ALSA: seq_oss: can't malloc midi coder\n");
kfree(mdev);
return -ENOMEM;
}
@@ -404,7 +405,6 @@ snd_seq_oss_midi_close(struct seq_oss_devinfo *dp, int dev)
return 0;
}
- debug_printk(("closing client %d port %d mode %d\n", mdev->client, mdev->port, mdev->opened));
memset(&subs, 0, sizeof(subs));
if (mdev->opened & PERM_WRITE) {
subs.sender = dp->addr;
@@ -468,7 +468,6 @@ snd_seq_oss_midi_reset(struct seq_oss_devinfo *dp, int dev)
struct snd_seq_event ev;
int c;
- debug_printk(("resetting client %d port %d\n", mdev->client, mdev->port));
memset(&ev, 0, sizeof(ev));
ev.dest.client = mdev->client;
ev.dest.port = mdev->port;
@@ -476,19 +475,20 @@ snd_seq_oss_midi_reset(struct seq_oss_devinfo *dp, int dev)
ev.source.port = dp->port;
if (dp->seq_mode == SNDRV_SEQ_OSS_MODE_SYNTH) {
ev.type = SNDRV_SEQ_EVENT_SENSING;
- snd_seq_oss_dispatch(dp, &ev, 0, 0); /* active sensing */
+ snd_seq_oss_dispatch(dp, &ev, 0, 0);
}
for (c = 0; c < 16; c++) {
ev.type = SNDRV_SEQ_EVENT_CONTROLLER;
ev.data.control.channel = c;
- ev.data.control.param = 123;
- snd_seq_oss_dispatch(dp, &ev, 0, 0); /* all notes off */
+ ev.data.control.param = MIDI_CTL_ALL_NOTES_OFF;
+ snd_seq_oss_dispatch(dp, &ev, 0, 0);
if (dp->seq_mode == SNDRV_SEQ_OSS_MODE_MUSIC) {
- ev.data.control.param = 121;
- snd_seq_oss_dispatch(dp, &ev, 0, 0); /* reset all controllers */
+ ev.data.control.param =
+ MIDI_CTL_RESET_CONTROLLERS;
+ snd_seq_oss_dispatch(dp, &ev, 0, 0);
ev.type = SNDRV_SEQ_EVENT_PITCHBEND;
ev.data.control.value = 0;
- snd_seq_oss_dispatch(dp, &ev, 0, 0); /* bender off */
+ snd_seq_oss_dispatch(dp, &ev, 0, 0);
}
}
}
diff --git a/sound/core/seq/oss/seq_oss_readq.c b/sound/core/seq/oss/seq_oss_readq.c
index f5de79f29f1..654d17a5023 100644
--- a/sound/core/seq/oss/seq_oss_readq.c
+++ b/sound/core/seq/oss/seq_oss_readq.c
@@ -25,6 +25,7 @@
#include <sound/seq_oss_legacy.h>
#include "../seq_lock.h"
#include <linux/wait.h>
+#include <linux/slab.h>
/*
* constants
@@ -47,12 +48,12 @@ snd_seq_oss_readq_new(struct seq_oss_devinfo *dp, int maxlen)
struct seq_oss_readq *q;
if ((q = kzalloc(sizeof(*q), GFP_KERNEL)) == NULL) {
- snd_printk(KERN_ERR "can't malloc read queue\n");
+ pr_err("ALSA: seq_oss: can't malloc read queue\n");
return NULL;
}
if ((q->q = kcalloc(maxlen, sizeof(union evrec), GFP_KERNEL)) == NULL) {
- snd_printk(KERN_ERR "can't malloc read queue buffer\n");
+ pr_err("ALSA: seq_oss: can't malloc read queue buffer\n");
kfree(q);
return NULL;
}
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index ab570a0a618..701feb71b70 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -24,6 +24,8 @@
#include "seq_oss_midi.h"
#include "../seq_lock.h"
#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
/*
* constants
@@ -104,7 +106,7 @@ snd_seq_oss_synth_register(struct snd_seq_device *dev)
unsigned long flags;
if ((rec = kzalloc(sizeof(*rec), GFP_KERNEL)) == NULL) {
- snd_printk(KERN_ERR "can't malloc synth info\n");
+ pr_err("ALSA: seq_oss: can't malloc synth info\n");
return -ENOMEM;
}
rec->seq_device = -1;
@@ -128,7 +130,7 @@ snd_seq_oss_synth_register(struct snd_seq_device *dev)
if (i >= max_synth_devs) {
if (max_synth_devs >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS) {
spin_unlock_irqrestore(&register_lock, flags);
- snd_printk(KERN_ERR "no more synth slot\n");
+ pr_err("ALSA: seq_oss: no more synth slot\n");
kfree(rec);
return -ENOMEM;
}
@@ -136,7 +138,6 @@ snd_seq_oss_synth_register(struct snd_seq_device *dev)
}
rec->seq_device = i;
synth_devs[i] = rec;
- debug_printk(("synth %s registered %d\n", rec->name, i));
spin_unlock_irqrestore(&register_lock, flags);
dev->driver_data = rec;
#ifdef SNDRV_OSS_INFO_DEV_SYNTH
@@ -161,7 +162,7 @@ snd_seq_oss_synth_unregister(struct snd_seq_device *dev)
}
if (index >= max_synth_devs) {
spin_unlock_irqrestore(&register_lock, flags);
- snd_printk(KERN_ERR "can't unregister synth\n");
+ pr_err("ALSA: seq_oss: can't unregister synth\n");
return -EINVAL;
}
synth_devs[index] = NULL;
@@ -245,11 +246,15 @@ snd_seq_oss_synth_setup(struct seq_oss_devinfo *dp)
info->nr_voices = rec->nr_voices;
if (info->nr_voices > 0) {
info->ch = kcalloc(info->nr_voices, sizeof(struct seq_oss_chinfo), GFP_KERNEL);
- if (!info->ch)
- BUG();
+ if (!info->ch) {
+ pr_err("ALSA: seq_oss: Cannot malloc voices\n");
+ rec->oper.close(&info->arg);
+ module_put(rec->oper.owner);
+ snd_use_lock_free(&rec->use_lock);
+ continue;
+ }
reset_channels(info);
}
- debug_printk(("synth %d assigned\n", i));
info->opened++;
rec->opened++;
dp->synth_opened++;
@@ -303,7 +308,8 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
- snd_assert(dp->max_synthdev <= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS, return);
+ if (snd_BUG_ON(dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS))
+ return;
for (i = 0; i < dp->max_synthdev; i++) {
info = &dp->synths[i];
if (! info->opened)
@@ -318,7 +324,6 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
if (rec == NULL)
continue;
if (rec->opened > 0) {
- debug_printk(("synth %d closed\n", i));
rec->oper.close(&info->arg);
module_put(rec->oper.owner);
rec->opened = 0;
@@ -397,7 +402,8 @@ snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev)
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
- snd_assert(dev >= 0 && dev < dp->max_synthdev, return);
+ if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev))
+ return;
info = &dp->synths[dev];
if (! info->opened)
return;
@@ -599,6 +605,9 @@ snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_in
{
struct seq_oss_synth *rec;
+ if (dev < 0 || dev >= dp->max_synthdev)
+ return -ENXIO;
+
if (dp->synths[dev].is_midi) {
struct midi_info minf;
snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf);
diff --git a/sound/core/seq/oss/seq_oss_timer.c b/sound/core/seq/oss/seq_oss_timer.c
index c440fdacec9..4f24ea9fad9 100644
--- a/sound/core/seq/oss/seq_oss_timer.c
+++ b/sound/core/seq/oss/seq_oss_timer.c
@@ -23,6 +23,7 @@
#include "seq_oss_timer.h"
#include "seq_oss_event.h"
#include <sound/seq_oss_legacy.h>
+#include <linux/slab.h>
/*
*/
@@ -232,7 +233,6 @@ snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __use
int value;
if (cmd == SNDCTL_SEQ_CTRLRATE) {
- debug_printk(("ctrl rate\n"));
/* if *arg == 0, just return the current rate */
if (get_user(value, arg))
return -EFAULT;
@@ -247,21 +247,16 @@ snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __use
switch (cmd) {
case SNDCTL_TMR_START:
- debug_printk(("timer start\n"));
return snd_seq_oss_timer_start(timer);
case SNDCTL_TMR_STOP:
- debug_printk(("timer stop\n"));
return snd_seq_oss_timer_stop(timer);
case SNDCTL_TMR_CONTINUE:
- debug_printk(("timer continue\n"));
return snd_seq_oss_timer_continue(timer);
case SNDCTL_TMR_TEMPO:
- debug_printk(("timer tempo\n"));
if (get_user(value, arg))
return -EFAULT;
return snd_seq_oss_timer_tempo(timer, value);
case SNDCTL_TMR_TIMEBASE:
- debug_printk(("timer timebase\n"));
if (get_user(value, arg))
return -EFAULT;
if (value < MIN_OSS_TIMEBASE)
@@ -275,7 +270,6 @@ snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __use
case SNDCTL_TMR_METRONOME:
case SNDCTL_TMR_SELECT:
case SNDCTL_TMR_SOURCE:
- debug_printk(("timer XXX\n"));
/* not supported */
return 0;
}
diff --git a/sound/core/seq/oss/seq_oss_writeq.c b/sound/core/seq/oss/seq_oss_writeq.c
index 5c8495601a3..d50338bbc21 100644
--- a/sound/core/seq/oss/seq_oss_writeq.c
+++ b/sound/core/seq/oss/seq_oss_writeq.c
@@ -27,6 +27,7 @@
#include "../seq_lock.h"
#include "../seq_clientmgr.h"
#include <linux/wait.h>
+#include <linux/slab.h>
/*
@@ -63,8 +64,10 @@ snd_seq_oss_writeq_new(struct seq_oss_devinfo *dp, int maxlen)
void
snd_seq_oss_writeq_delete(struct seq_oss_writeq *q)
{
- snd_seq_oss_writeq_clear(q); /* to be sure */
- kfree(q);
+ if (q) {
+ snd_seq_oss_writeq_clear(q); /* to be sure */
+ kfree(q);
+ }
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:24:19 +0000