X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=sound%2Fcore%2Fpcm.c;h=2743414fc8fa8ac7fbf14d9b49dc38be622eea0a;hb=fee7f23feaf0845fdfd47d20cddc75652552fbb8;hp=5ac6e19ccb4128814c2356f634c43a46a67b0ccf;hpb=b6ef977b608b01e0f338afd9445cab5436c61e00;p=powerpc.git

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 5ac6e19ccb..2743414fc8 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -45,11 +45,9 @@ static int snd_pcm_dev_disconnect(struct snd_device *device);
 
 static struct snd_pcm *snd_pcm_search(struct snd_card *card, int device)
 {
-	struct list_head *p;
 	struct snd_pcm *pcm;
 
-	list_for_each(p, &snd_pcm_devices) {
-		pcm = list_entry(p, struct snd_pcm, list);
+	list_for_each_entry(pcm, &snd_pcm_devices, list) {
 		if (pcm->card == card && pcm->device == device)
 			return pcm;
 	}
@@ -640,6 +638,10 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
 		err = snd_pcm_substream_proc_init(substream);
 		if (err < 0) {
 			snd_printk(KERN_ERR "Error in snd_pcm_stream_proc_init\n");
+			if (prev == NULL)
+				pstr->substream = NULL;
+			else
+				prev->next = NULL;
 			kfree(substream);
 			return err;
 		}
@@ -778,7 +780,6 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
 	struct snd_pcm_runtime *runtime;
 	struct snd_ctl_file *kctl;
 	struct snd_card *card;
-	struct list_head *list;
 	int prefer_subdevice = -1;
 	size_t size;
 
@@ -791,8 +792,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
 
 	card = pcm->card;
 	down_read(&card->controls_rwsem);
-	list_for_each(list, &card->ctl_files) {
-		kctl = snd_ctl_file(list);
+	list_for_each_entry(kctl, &card->ctl_files, list) {
 		if (kctl->pid == current->pid) {
 			prefer_subdevice = kctl->prefer_pcm_subdevice;
 			if (prefer_subdevice != -1)
@@ -937,9 +937,10 @@ static int snd_pcm_dev_register(struct snd_device *device)
 {
 	int cidx, err;
 	struct snd_pcm_substream *substream;
-	struct list_head *list;
+	struct snd_pcm_notify *notify;
 	char str[16];
 	struct snd_pcm *pcm = device->device_data;
+	struct device *dev;
 
 	snd_assert(pcm != NULL && device != NULL, return -ENXIO);
 	mutex_lock(&register_mutex);
@@ -962,11 +963,18 @@ static int snd_pcm_dev_register(struct snd_device *device)
 			devtype = SNDRV_DEVICE_TYPE_PCM_CAPTURE;
 			break;
 		}
-		if ((err = snd_register_device(devtype, pcm->card,
-					       pcm->device,
-					       &snd_pcm_f_ops[cidx],
-					       pcm, str)) < 0)
-		{
+		/* device pointer to use, pcm->dev takes precedence if
+		 * it is assigned, otherwise fall back to card's device
+		 * if possible */
+		dev = pcm->dev;
+		if (!dev)
+			dev = snd_card_get_device_link(pcm->card);
+		/* register pcm */
+		err = snd_register_device_for_dev(devtype, pcm->card,
+						  pcm->device,
+						  &snd_pcm_f_ops[cidx],
+						  pcm, str, dev);
+		if (err < 0) {
 			list_del(&pcm->list);
 			mutex_unlock(&register_mutex);
 			return err;
@@ -976,11 +984,10 @@ static int snd_pcm_dev_register(struct snd_device *device)
 		for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
 			snd_pcm_timer_init(substream);
 	}
-	list_for_each(list, &snd_pcm_notify_list) {
-		struct snd_pcm_notify *notify;
-		notify = list_entry(list, struct snd_pcm_notify, list);
+
+	list_for_each_entry(notify, &snd_pcm_notify_list, list)
 		notify->n_register(pcm);
-	}
+
 	mutex_unlock(&register_mutex);
 	return 0;
 }
@@ -1023,7 +1030,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
 
 int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
 {
-	struct list_head *p;
+	struct snd_pcm *pcm;
 
 	snd_assert(notify != NULL &&
 		   notify->n_register != NULL &&
@@ -1032,13 +1039,12 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
 	mutex_lock(&register_mutex);
 	if (nfree) {
 		list_del(&notify->list);
-		list_for_each(p, &snd_pcm_devices)
-			notify->n_unregister(list_entry(p,
-							struct snd_pcm, list));
+		list_for_each_entry(pcm, &snd_pcm_devices, list)
+			notify->n_unregister(pcm);
 	} else {
 		list_add_tail(&notify->list, &snd_pcm_notify_list);
-		list_for_each(p, &snd_pcm_devices)
-			notify->n_register(list_entry(p, struct snd_pcm, list));
+		list_for_each_entry(pcm, &snd_pcm_devices, list)
+			notify->n_register(pcm);
 	}
 	mutex_unlock(&register_mutex);
 	return 0;
@@ -1054,12 +1060,10 @@ EXPORT_SYMBOL(snd_pcm_notify);
 static void snd_pcm_proc_read(struct snd_info_entry *entry,
 			      struct snd_info_buffer *buffer)
 {
-	struct list_head *p;
 	struct snd_pcm *pcm;
 
 	mutex_lock(&register_mutex);
-	list_for_each(p, &snd_pcm_devices) {
-		pcm = list_entry(p, struct snd_pcm, list);
+	list_for_each_entry(pcm, &snd_pcm_devices, list) {
 		snd_iprintf(buffer, "%02i-%02i: %s : %s",
 			    pcm->card->number, pcm->device, pcm->id, pcm->name);
 		if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)