static int snd_gus_free(snd_gus_card_t *gus)
{
if (gus->gf1.res_port2 == NULL)
goto __hw_end;
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
if (gus->seq_dev) {
snd_device_free(gus->card, gus->seq_dev);
gus->seq_dev = NULL;
}
#endif
snd_gf1_stop(gus);
snd_gus_init_dma_irq(gus, 0);
__hw_end:
if (gus->gf1.res_port1) {
release_resource(gus->gf1.res_port1);
kfree_nocheck(gus->gf1.res_port1);
}
if (gus->gf1.res_port2) {
release_resource(gus->gf1.res_port2);
kfree_nocheck(gus->gf1.res_port2);
}
if (gus->gf1.irq >= 0)
free_irq(gus->gf1.irq, (void *) gus);
if (gus->gf1.dma1 >= 0) {
disable_dma(gus->gf1.dma1);
free_dma(gus->gf1.dma1);
}
if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
disable_dma(gus->gf1.dma2);
free_dma(gus->gf1.dma2);
}
snd_magic_kfree(gus);
return 0;
}
static int snd_uart16550_free(snd_uart16550_t *uart)
{
if (uart->irq >= 0)
free_irq(uart->irq, (void *)uart);
if (uart->res_base)
release_resource(uart->res_base);
snd_magic_kfree(uart);
return 0;
};
static int snd_opl3_free(opl3_t *opl3)
{
if (opl3->res_l_port) {
release_resource(opl3->res_l_port);
kfree_nocheck(opl3->res_l_port);
}
if (opl3->res_r_port) {
release_resource(opl3->res_r_port);
kfree_nocheck(opl3->res_r_port);
}
snd_magic_kfree(opl3);
return 0;
}
/*
* release memory block for port
*/
static void
free_port(void *private_data)
{
snd_emux_port_t *p;
p = snd_magic_cast(snd_emux_port_t, private_data, return);
if (p) {
#ifdef SNDRV_EMUX_USE_RAW_EFFECT
snd_emux_delete_effect(p);
#endif
if (p->chset.channels)
kfree(p->chset.channels);
snd_magic_kfree(p);
}
}
static int snd_vx222_free(vx_core_t *chip)
{
int i;
struct snd_vx222 *vx = (struct snd_vx222 *)chip;
if (chip->irq >= 0)
free_irq(chip->irq, (void*)chip);
for (i = 0; i < 2; i++) {
if (vx->port_res[i]) {
release_resource(vx->port_res[i]);
kfree_nocheck(vx->port_res[i]);
}
}
snd_magic_kfree(chip);
return 0;
}
snd_emux_port_t *
snd_emux_create_port(snd_emux_t *emu, char *name,
int max_channels, int oss_port,
snd_seq_port_callback_t *callback)
{
snd_emux_port_t *p;
int i, type, cap;
/* Allocate structures for this channel */
if ((p = snd_magic_kcalloc(snd_emux_port_t, 0, GFP_KERNEL)) == NULL) {
snd_printk("no memory\n");
return NULL;
}
p->chset.channels = snd_kcalloc(max_channels * sizeof(snd_midi_channel_t), GFP_KERNEL);
if (p->chset.channels == NULL) {
snd_printk("no memory\n");
snd_magic_kfree(p);
return NULL;
}
for (i = 0; i < max_channels; i++)
p->chset.channels[i].number = i;
p->chset.private_data = p;
p->chset.max_channels = max_channels;
p->emu = emu;
p->chset.client = emu->client;
#ifdef SNDRV_EMUX_USE_RAW_EFFECT
snd_emux_create_effect(p);
#endif
callback->private_free = free_port;
callback->private_data = p;
cap = SNDRV_SEQ_PORT_CAP_WRITE;
if (oss_port) {
type = SNDRV_SEQ_PORT_TYPE_SPECIFIC;
} else {
type = DEFAULT_MIDI_TYPE;
cap |= SNDRV_SEQ_PORT_CAP_SUBS_WRITE;
}
p->chset.port = snd_seq_event_port_attach(emu->client, callback,
cap, type, max_channels,
emu->max_voices, name);
return p;
}
static int snd_info_entry_release(struct inode *inode, struct file *file)
{
snd_info_entry_t *entry;
snd_info_private_data_t *data;
int mode;
mode = file->f_flags & O_ACCMODE;
data = snd_magic_cast(snd_info_private_data_t, file->private_data, return -ENXIO);
entry = data->entry;
switch (entry->content) {
case SNDRV_INFO_CONTENT_TEXT:
if (mode == O_RDONLY || mode == O_RDWR) {
vfree(data->rbuffer->buffer);
kfree(data->rbuffer);
}
if (mode == O_WRONLY || mode == O_RDWR) {
if (entry->c.text.write) {
entry->c.text.write(entry, data->wbuffer);
if (data->wbuffer->error) {
snd_printk("data write error to %s (%i)\n",
entry->name,
data->wbuffer->error);
}
}
vfree(data->wbuffer->buffer);
kfree(data->wbuffer);
}
break;
case SNDRV_INFO_CONTENT_DATA:
if (entry->c.ops->release)
entry->c.ops->release(entry, mode,
data->file_private_data);
break;
}
dec_mod_count(entry->module);
#ifndef LINUX_2_3
MOD_DEC_USE_COUNT;
#endif
snd_magic_kfree(data);
return 0;
}
static int snd_info_entry_open(struct inode *inode, struct file *file)
{
snd_info_entry_t *entry;
snd_info_private_data_t *data;
snd_info_buffer_t *buffer;
struct proc_dir_entry *p;
int mode, err;
down(&info_mutex);
p = (struct proc_dir_entry *) inode->u.generic_ip;
entry = p == NULL ? NULL : (snd_info_entry_t *)p->data;
if (entry == NULL) {
up(&info_mutex);
return -ENODEV;
}
#ifndef LINUX_2_3
MOD_INC_USE_COUNT;
#endif
if (entry->module && !try_inc_mod_count(entry->module)) {
err = -EFAULT;
goto __error1;
}
mode = file->f_flags & O_ACCMODE;
if (mode == O_RDONLY || mode == O_RDWR) {
if ((entry->content == SNDRV_INFO_CONTENT_TEXT &&
!entry->c.text.read_size) ||
(entry->content == SNDRV_INFO_CONTENT_DATA &&
entry->c.ops->read == NULL) ||
entry->content == SNDRV_INFO_CONTENT_DEVICE) {
err = -ENODEV;
goto __error;
}
}
if (mode == O_WRONLY || mode == O_RDWR) {
if ((entry->content == SNDRV_INFO_CONTENT_TEXT &&
!entry->c.text.write_size) ||
(entry->content == SNDRV_INFO_CONTENT_DATA &&
entry->c.ops->write == NULL) ||
entry->content == SNDRV_INFO_CONTENT_DEVICE) {
err = -ENODEV;
goto __error;
}
}
data = snd_magic_kcalloc(snd_info_private_data_t, 0, GFP_KERNEL);
if (data == NULL) {
err = -ENOMEM;
goto __error;
}
data->entry = entry;
switch (entry->content) {
case SNDRV_INFO_CONTENT_TEXT:
if (mode == O_RDONLY || mode == O_RDWR) {
buffer = (snd_info_buffer_t *)
snd_kcalloc(sizeof(snd_info_buffer_t), GFP_KERNEL);
if (buffer == NULL) {
snd_magic_kfree(data);
err = -ENOMEM;
goto __error;
}
buffer->len = (entry->c.text.read_size +
(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
buffer->buffer = vmalloc(buffer->len);
if (buffer->buffer == NULL) {
kfree(buffer);
snd_magic_kfree(data);
err = -ENOMEM;
goto __error;
}
buffer->curr = buffer->buffer;
data->rbuffer = buffer;
}
if (mode == O_WRONLY || mode == O_RDWR) {
buffer = (snd_info_buffer_t *)
snd_kcalloc(sizeof(snd_info_buffer_t), GFP_KERNEL);
if (buffer == NULL) {
if (mode == O_RDWR) {
vfree(data->rbuffer->buffer);
kfree(data->rbuffer);
}
snd_magic_kfree(data);
err = -ENOMEM;
goto __error;
}
buffer->len = (entry->c.text.write_size +
(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
buffer->buffer = vmalloc(buffer->len);
if (buffer->buffer == NULL) {
if (mode == O_RDWR) {
vfree(data->rbuffer->buffer);
kfree(data->rbuffer);
}
kfree(buffer);
snd_magic_kfree(data);
err = -ENOMEM;
goto __error;
}
buffer->curr = buffer->buffer;
data->wbuffer = buffer;
}
break;
case SNDRV_INFO_CONTENT_DATA: /* data */
if (entry->c.ops->open) {
if ((err = entry->c.ops->open(entry, mode,
&data->file_private_data)) < 0) {
snd_magic_kfree(data);
goto __error;
}
}
break;
}
file->private_data = data;
up(&info_mutex);
if (entry->content == SNDRV_INFO_CONTENT_TEXT &&
(mode == O_RDONLY || mode == O_RDWR)) {
if (entry->c.text.read) {
down(&entry->access);
entry->c.text.read(entry, data->rbuffer);
up(&entry->access);
}
}
return 0;
__error:
dec_mod_count(entry->module);
__error1:
#ifndef LINUX_2_3
MOD_DEC_USE_COUNT;
#endif
up(&info_mutex);
return err;
}