sound: Remove unnecessary casts of private_data

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 12 insertions, 13 deletions

diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index f50ebf2..86afb13c 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -77,7 +77,7 @@ static int snd_mixer_oss_release(struct inode *inode, struct file *file)
 	struct snd_mixer_oss_file *fmixer;
 
 	if (file->private_data) {
-		fmixer = (struct snd_mixer_oss_file *) file->private_data;
+		fmixer = file->private_data;
 		module_put(fmixer->card->module);
 		snd_card_file_remove(fmixer->card, file);
 		kfree(fmixer);
@@ -368,7 +368,7 @@ static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int
 
 static long snd_mixer_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	return snd_mixer_oss_ioctl1((struct snd_mixer_oss_file *) file->private_data, cmd, arg);
+	return snd_mixer_oss_ioctl1(file->private_data, cmd, arg);
 }
 
 int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg)
@@ -582,7 +582,7 @@ static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer,
 				     struct snd_mixer_oss_slot *pslot,
 				     int *left, int *right)
 {
-	struct slot *slot = (struct slot *)pslot->private_data;
+	struct slot *slot = pslot->private_data;
 	
 	*left = *right = 100;
 	if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
@@ -691,7 +691,7 @@ static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer,
 				     struct snd_mixer_oss_slot *pslot,
 				     int left, int right)
 {
-	struct slot *slot = (struct slot *)pslot->private_data;
+	struct slot *slot = pslot->private_data;
 	
 	if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
 		snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right);
@@ -740,7 +740,7 @@ static int snd_mixer_oss_get_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
 					struct snd_mixer_oss_slot *pslot,
 					int *active)
 {
-	struct slot *slot = (struct slot *)pslot->private_data;
+	struct slot *slot = pslot->private_data;
 	int left, right;
 	
 	left = right = 1;
@@ -753,7 +753,7 @@ static int snd_mixer_oss_get_recsrc1_route(struct snd_mixer_oss_file *fmixer,
 					   struct snd_mixer_oss_slot *pslot,
 					   int *active)
 {
-	struct slot *slot = (struct slot *)pslot->private_data;
+	struct slot *slot = pslot->private_data;
 	int left, right;
 	
 	left = right = 1;
@@ -766,7 +766,7 @@ static int snd_mixer_oss_put_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
 					struct snd_mixer_oss_slot *pslot,
 					int active)
 {
-	struct slot *slot = (struct slot *)pslot->private_data;
+	struct slot *slot = pslot->private_data;
 	
 	snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], active, active, 0);
 	return 0;
@@ -776,7 +776,7 @@ static int snd_mixer_oss_put_recsrc1_route(struct snd_mixer_oss_file *fmixer,
 					   struct snd_mixer_oss_slot *pslot,
 					   int active)
 {
-	struct slot *slot = (struct slot *)pslot->private_data;
+	struct slot *slot = pslot->private_data;
 	
 	snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], active, active, 1);
 	return 0;
@@ -813,7 +813,7 @@ static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
 		if (!(mixer->mask_recsrc & (1 << idx)))
 			continue;
 		pslot = &mixer->slots[idx];
-		slot = (struct slot *)pslot->private_data;
+		slot = pslot->private_data;
 		if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
 			continue;
 		if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
@@ -861,7 +861,7 @@ static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
 		if (!(mixer->mask_recsrc & (1 << idx)))
 			continue;
 		pslot = &mixer->slots[idx];
-		slot = (struct slot *)pslot->private_data;
+		slot = pslot->private_data;
 		if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
 			continue;
 		if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
@@ -925,7 +925,7 @@ static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *sl
 
 static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
 {
-	struct slot *p = (struct slot *)chn->private_data;
+	struct slot *p = chn->private_data;
 	if (p) {
 		if (p->allocated && p->assigned) {
 			kfree(p->assigned->name);
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 204af48..88525a9 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -364,8 +364,7 @@ static void snd_pcm_stream_proc_info_read(struct snd_info_entry *entry,
 static void snd_pcm_substream_proc_info_read(struct snd_info_entry *entry,
 					     struct snd_info_buffer *buffer)
 {
-	snd_pcm_proc_info_read((struct snd_pcm_substream *)entry->private_data,
-			       buffer);
+	snd_pcm_proc_info_read(entry->private_data, buffer);
 }
 
 static void snd_pcm_substream_proc_hw_params_read(struct snd_info_entry *entry,