X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=sound%2Fsound_core.c;h=1b04259a4328486357059acfd892bb3015285203;hb=a8086ad803fc4d251edb9a49838bf99c7fdfb44f;hp=7535ec821dcf8dfb53a55046853ad86b0cbff54d;hpb=0936f26f55918af595b108208e64c37a0a481722;p=linux-2.6

diff --git a/sound/sound_core.c b/sound/sound_core.c
index 7535ec821d..1b04259a43 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -34,10 +34,10 @@
  *	locking at some point in 2.3.x.
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
@@ -171,8 +171,9 @@ static int sound_insert_unit(struct sound_unit **list, const struct file_operati
 	else
 		sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP);
 
-	class_device_create(sound_class, NULL, MKDEV(SOUND_MAJOR, s->unit_minor),
-			    dev, s->name+6);
+	device_create_drvdata(sound_class, dev,
+			      MKDEV(SOUND_MAJOR, s->unit_minor),
+			      NULL, s->name+6);
 	return r;
 
  fail:
@@ -194,7 +195,7 @@ static void sound_remove_unit(struct sound_unit **list, int unit)
 	p = __sound_remove_unit(list, unit);
 	spin_unlock(&sound_loader_lock);
 	if (p) {
-		class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor));
+		device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor));
 		kfree(p);
 	}
 }
@@ -366,25 +367,6 @@ int register_sound_dsp(const struct file_operations *fops, int dev)
 
 EXPORT_SYMBOL(register_sound_dsp);
 
-/**
- *	register_sound_synth - register a synth device
- *	@fops: File operations for the driver
- *	@dev: Unit number to allocate
- *
- *	Allocate a synth device. Unit is the number of the synth device requested.
- *	Pass -1 to request the next free synth unit. On success the allocated
- *	number is returned, on failure a negative error code is returned.
- */
-
-
-int register_sound_synth(const struct file_operations *fops, int dev)
-{
-	return sound_insert_unit(&chains[9], fops, dev, 9, 137,
-				 "synth", S_IRUSR | S_IWUSR, NULL);
-}
-
-EXPORT_SYMBOL(register_sound_synth);
-
 /**
  *	unregister_sound_special - unregister a special sound device
  *	@unit: unit number to allocate
@@ -450,28 +432,13 @@ void unregister_sound_dsp(int unit)
 
 EXPORT_SYMBOL(unregister_sound_dsp);
 
-/**
- *	unregister_sound_synth - unregister a synth device
- *	@unit: unit number to allocate
- *
- *	Release a sound device that was allocated with register_sound_synth().
- *	The unit passed is the return value from the register function.
- */
-
-void unregister_sound_synth(int unit)
-{
-	return sound_remove_unit(&chains[9], unit);
-}
-
-EXPORT_SYMBOL(unregister_sound_synth);
-
 /*
  *	Now our file operations
  */
 
 static int soundcore_open(struct inode *, struct file *);
 
-static struct file_operations soundcore_fops=
+static const struct file_operations soundcore_fops=
 {
 	/* We must have an owner or the module locking fails */
 	.owner	= THIS_MODULE,
@@ -499,6 +466,8 @@ int soundcore_open(struct inode *inode, struct file *file)
 	struct sound_unit *s;
 	const struct file_operations *new_fops = NULL;
 
+	lock_kernel ();
+
 	chain=unit&0x0F;
 	if(chain==4 || chain==5)	/* dsp/audio/dsp16 */
 	{
@@ -546,16 +515,14 @@ int soundcore_open(struct inode *inode, struct file *file)
 			file->f_op = fops_get(old_fops);
 		}
 		fops_put(old_fops);
+		unlock_kernel();
 		return err;
 	}
 	spin_unlock(&sound_loader_lock);
+	unlock_kernel();
 	return -ENODEV;
 }
 
-extern int mod_firmware_load(const char *, char **);
-EXPORT_SYMBOL(mod_firmware_load);
-
-
 MODULE_DESCRIPTION("Core sound module");
 MODULE_AUTHOR("Alan Cox");
 MODULE_LICENSE("GPL");