X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=sound%2Fsound_core.c;h=1b04259a4328486357059acfd892bb3015285203;hb=ecc8b655b38a880b578146895e0e1e2d477ca2c0;hp=8f1ced4ab34cb2fbf0dd3143fa882ce916dafac6;hpb=3be11c8f4f2fa194834c2e83540f34da442b8977;p=linux-2.6-omap-h63xx.git

diff --git a/sound/sound_core.c b/sound/sound_core.c
index 8f1ced4ab34..1b04259a432 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -37,6 +37,7 @@
 #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>
@@ -170,8 +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);
 
-	device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor),
-		      s->name+6);
+	device_create_drvdata(sound_class, dev,
+			      MKDEV(SOUND_MAJOR, s->unit_minor),
+			      NULL, s->name+6);
 	return r;
 
  fail:
@@ -436,7 +438,7 @@ EXPORT_SYMBOL(unregister_sound_dsp);
 
 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,
@@ -464,6 +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 */
 	{
@@ -511,9 +515,11 @@ 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;
 }