diff options
Diffstat (limited to 'sound/core/seq/oss/seq_oss.c')
| -rw-r--r-- | sound/core/seq/oss/seq_oss.c | 72 |
1 files changed, 32 insertions, 40 deletions
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(®ister_mutex); + mutex_lock(®ister_mutex); rc = snd_seq_oss_open(file, level); - up(®ister_mutex); + mutex_unlock(®ister_mutex); return rc; } @@ -153,9 +146,9 @@ odev_release(struct inode *inode, struct file *file) snd_seq_oss_drain_write(dp); - down(®ister_mutex); + mutex_lock(®ister_mutex); snd_seq_oss_release(dp); - up(®ister_mutex); + mutex_unlock(®ister_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(®ister_mutex); + mutex_lock(®ister_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(®ister_mutex); + &seq_oss_f_ops, NULL)) < 0) { + pr_err("ALSA: seq_oss: can't register device seq\n"); + mutex_unlock(®ister_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(®ister_mutex); + mutex_unlock(®ister_mutex); return rc; } - debug_printk(("device registered\n")); - up(®ister_mutex); + mutex_unlock(®ister_mutex); return 0; } static void unregister_device(void) { - down(®ister_mutex); - debug_printk(("device unregistered\n")); + mutex_lock(®ister_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(®ister_mutex); + pr_err("ALSA: seq_oss: error unregister device seq\n"); + mutex_unlock(®ister_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(®ister_mutex); + mutex_lock(®ister_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(®ister_mutex); + mutex_unlock(®ister_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 */ |