X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=sound%2Fcore%2Fpcm_native.c;h=d7d2179c03636a4bae1bb513387001d932ea660a;hb=cf0223503e6198292cdcc864e01eeb5fe7490752;hp=c74e228731ed8ffb36788f5443581dbd0d4fdae2;hpb=7670c7010c7b367ca40c3aba02afb36149764a6e;p=karo-tx-linux.git

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index c74e228731ed..d7d2179c0363 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2058,16 +2058,12 @@ EXPORT_SYMBOL(snd_pcm_open_substream);
 
 static int snd_pcm_open_file(struct file *file,
 			     struct snd_pcm *pcm,
-			     int stream,
-			     struct snd_pcm_file **rpcm_file)
+			     int stream)
 {
 	struct snd_pcm_file *pcm_file;
 	struct snd_pcm_substream *substream;
 	int err;
 
-	if (rpcm_file)
-		*rpcm_file = NULL;
-
 	err = snd_pcm_open_substream(pcm, stream, file, &substream);
 	if (err < 0)
 		return err;
@@ -2083,8 +2079,7 @@ static int snd_pcm_open_file(struct file *file,
 		substream->pcm_release = pcm_release_private;
 	}
 	file->private_data = pcm_file;
-	if (rpcm_file)
-		*rpcm_file = pcm_file;
+
 	return 0;
 }
 
@@ -2113,7 +2108,6 @@ static int snd_pcm_capture_open(struct inode *inode, struct file *file)
 static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
 {
 	int err;
-	struct snd_pcm_file *pcm_file;
 	wait_queue_t wait;
 
 	if (pcm == NULL) {
@@ -2131,7 +2125,7 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
 	add_wait_queue(&pcm->open_wait, &wait);
 	mutex_lock(&pcm->open_mutex);
 	while (1) {
-		err = snd_pcm_open_file(file, pcm, stream, &pcm_file);
+		err = snd_pcm_open_file(file, pcm, stream);
 		if (err >= 0)
 			break;
 		if (err == -EAGAIN) {
@@ -3156,8 +3150,8 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
 /*
  * mmap the DMA buffer on RAM
  */
-static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
-				struct vm_area_struct *area)
+int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
+			     struct vm_area_struct *area)
 {
 	area->vm_flags |= VM_RESERVED;
 #ifdef ARCH_HAS_DMA_MMAP_COHERENT
@@ -3177,6 +3171,7 @@ static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
 	area->vm_ops = &snd_pcm_vm_ops_data_fault;
 	return 0;
 }
+EXPORT_SYMBOL_GPL(snd_pcm_lib_default_mmap);
 
 /*
  * mmap the DMA buffer on I/O memory area
@@ -3242,7 +3237,7 @@ int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,
 	if (substream->ops->mmap)
 		err = substream->ops->mmap(substream, area);
 	else
-		err = snd_pcm_default_mmap(substream, area);
+		err = snd_pcm_lib_default_mmap(substream, area);
 	if (!err)
 		atomic_inc(&substream->mmap_count);
 	return err;