ALSA CVS update - Takashi Iwai <tiwai@suse.de>

ALSA Core,Timer Midlevel,ALSA sequencer,PPC DACA driver
PPC Tumbler driver
- check rootfs before calling request_module() to avoid annoying
  error messages at the boot time.

sound/core/seq/seq_clientmgr.c

@@ -137,7 +137,7 @@ client_t *snd_seq_client_use_ptr(int clientid)
 		if (clientid < 64) {
 			int idx;
 			
-			if (! client_requested[clientid]) {
+			if (! client_requested[clientid] && current->fs->root) {
 				client_requested[clientid] = 1;
 				for (idx = 0; idx < 64; idx++) {
 					if (seq_client_load[idx] < 0)

sound/core/seq/seq_device.c

@@ -132,6 +132,9 @@ void snd_seq_device_load_drivers(void)
 #ifdef CONFIG_KMOD
 	struct list_head *head;
 
+	if (! current->fs->root)
+		return;
+
 	down(&ops_mutex);
 	list_for_each(head, &opslist) {
 		ops_list_t *ops = list_entry(head, ops_list_t, list);

sound/core/sound.c

@@ -77,6 +77,8 @@ void snd_request_card(int card)
 {
 	int locked;
 
+	if (! current->fs->root)
+		return;
 	read_lock(&snd_card_rwlock);
 	locked = snd_cards_lock & (1 << card);
 	read_unlock(&snd_card_rwlock);
@@ -91,6 +93,8 @@ static void snd_request_other(int minor)
 {
 	char *str;
 
+	if (! current->fs->root)
+		return;
 	switch (minor) {
 	case SNDRV_MINOR_SEQUENCER:	str = "snd-seq";	break;
 	case SNDRV_MINOR_TIMER:		str = "snd-timer";	break;

sound/core/timer.c

@@ -148,6 +148,8 @@ static snd_timer_t *snd_timer_find(snd_timer_id_t *tid)
 
 static void snd_timer_request(snd_timer_id_t *tid)
 {
+	if (! current->fs->root)
+		return;
 	switch (tid->dev_class) {
 	case SNDRV_TIMER_CLASS_GLOBAL:
 		if (tid->device < timer_limit)

sound/ppc/daca.c

@@ -249,7 +249,8 @@ int __init snd_pmac_daca_init(pmac_t *chip)
 	pmac_daca_t *mix;
 
 #ifdef CONFIG_KMOD
-	request_module("i2c-keywest");
+	if (current->fs->root)
+		request_module("i2c-keywest");
 #endif /* CONFIG_KMOD */	
 
 	mix = kmalloc(sizeof(*mix), GFP_KERNEL);

sound/ppc/tumbler.c

@@ -993,7 +993,8 @@ int __init snd_pmac_tumbler_init(pmac_t *chip)
 	char *chipname;
 
 #ifdef CONFIG_KMOD
-	request_module("i2c-keywest");
+	if (current->fs->root)
+		request_module("i2c-keywest");
 #endif /* CONFIG_KMOD */	
 
 	mix = kmalloc(sizeof(*mix), GFP_KERNEL);