sound: do not set DEVNAME for OSS devices

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/sound_core.c

@@ -10,6 +10,8 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/err.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
 #include <sound/core.h>
 
 #ifdef CONFIG_SOUND_OSS_CORE
@@ -29,6 +31,8 @@ MODULE_LICENSE("GPL");
 
 static char *sound_nodename(struct device *dev)
 {
+	if (MAJOR(dev->devt) == SOUND_MAJOR)
+		return NULL;
 	return kasprintf(GFP_KERNEL, "snd/%s", dev_name(dev));
 }
 
@@ -104,7 +108,6 @@ module_exit(cleanup_soundcore);
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sound.h>
-#include <linux/major.h>
 #include <linux/kmod.h>
 
 #define SOUND_STEP 16