[ALSA] Make snd_task_name() module local

Modules: ALSA Core,ALSA<-OSS emulation

Remove a global function snd_task_name(), and move it local
to snd-pcm-oss module.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

include/sound/core.h

@@ -373,7 +373,6 @@ unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
 
 /* misc.c */
 
-int snd_task_name(struct task_struct *task, char *name, size_t size);
 #ifdef CONFIG_SND_VERBOSE_PRINTK
 void snd_verbose_printk(const char *file, int line, const char *format, ...)
      __attribute__ ((format (printf, 3, 4)));

sound/core/misc.c

@@ -25,17 +25,6 @@
 #include <linux/time.h>
 #include <sound/core.h>
 
-int snd_task_name(struct task_struct *task, char *name, size_t size)
-{
-	unsigned int idx;
-
-	snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
-	for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
-		name[idx] = task->comm[idx];
-	name[idx] = '\0';
-	return 0;
-}
-
 #ifdef CONFIG_SND_VERBOSE_PRINTK
 void snd_verbose_printk(const char *file, int line, const char *format, ...)
 {

sound/core/oss/pcm_oss.c

@@ -1821,6 +1821,17 @@ static int snd_pcm_oss_open_file(struct file *file,
 }
 
 
+static int snd_task_name(struct task_struct *task, char *name, size_t size)
+{
+	unsigned int idx;
+
+	snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
+	for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
+		name[idx] = task->comm[idx];
+	name[idx] = '\0';
+	return 0;
+}
+
 static int snd_pcm_oss_open(struct inode *inode, struct file *file)
 {
 	int minor = iminor(inode);

sound/core/sound.c

@@ -487,7 +487,6 @@ EXPORT_SYMBOL(snd_ctl_unregister_ioctl_compat);
 EXPORT_SYMBOL(snd_ctl_elem_read);
 EXPORT_SYMBOL(snd_ctl_elem_write);
   /* misc.c */
-EXPORT_SYMBOL(snd_task_name);
 #ifdef CONFIG_SND_VERBOSE_PRINTK
 EXPORT_SYMBOL(snd_verbose_printk);
 #endif