ALSA: squash lines for simple wrapper functions

Remove unneeded variables and assignments.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/aoa/fabrics/layout.c

@@ -1169,12 +1169,7 @@ static struct soundbus_driver aoa_soundbus_driver = {
 
 static int __init aoa_fabric_layout_init(void)
 {
-	int err;
-
-	err = soundbus_register_driver(&aoa_soundbus_driver);
-	if (err)
-		return err;
-	return 0;
+	return soundbus_register_driver(&aoa_soundbus_driver);
 }
 
 static void __exit aoa_fabric_layout_exit(void)

sound/pci/asihpi/hpifunc.c

@@ -2323,11 +2323,8 @@ u16 hpi_sample_clock_get_source_index(u32 h_control, u16 *pw_source_index)
 u16 hpi_sample_clock_query_local_rate(const u32 h_clock, const u32 index,
 	u32 *prate)
 {
-	u16 err;
-	err = hpi_control_query(h_clock, HPI_SAMPLECLOCK_LOCAL_SAMPLERATE,
-		index, 0, prate);
-
-	return err;
+	return hpi_control_query(h_clock, HPI_SAMPLECLOCK_LOCAL_SAMPLERATE,
+				 index, 0, prate);
 }
 
 u16 hpi_sample_clock_set_local_rate(u32 h_control, u32 sample_rate)

sound/pci/ctxfi/ctvmem.c

@@ -166,11 +166,7 @@ static void ct_vm_unmap(struct ct_vm *vm, struct ct_vm_block *block)
 static dma_addr_t
 ct_get_ptp_phys(struct ct_vm *vm, int index)
 {
-	dma_addr_t addr;
-
-	addr = (index >= CT_PTP_NUM) ? ~0UL : vm->ptp[index].addr;
-
-	return addr;
+	return (index >= CT_PTP_NUM) ? ~0UL : vm->ptp[index].addr;
 }
 
 int ct_vm_create(struct ct_vm **rvm, struct pci_dev *pci)

sound/pci/emu10k1/p16v.c

@@ -300,37 +300,29 @@ static int snd_p16v_pcm_open_capture(struct snd_pcm_substream *substream)
 static int snd_p16v_pcm_hw_params_playback(struct snd_pcm_substream *substream,
 				      struct snd_pcm_hw_params *hw_params)
 {
-	int result;
-	result = snd_pcm_lib_malloc_pages(substream,
+	return snd_pcm_lib_malloc_pages(substream,
 					params_buffer_bytes(hw_params));
-	return result;
 }
 
 /* hw_params callback */
 static int snd_p16v_pcm_hw_params_capture(struct snd_pcm_substream *substream,
 				      struct snd_pcm_hw_params *hw_params)
 {
-	int result;
-	result = snd_pcm_lib_malloc_pages(substream,
+	return snd_pcm_lib_malloc_pages(substream,
 					params_buffer_bytes(hw_params));
-	return result;
 }
 
 
 /* hw_free callback */
 static int snd_p16v_pcm_hw_free_playback(struct snd_pcm_substream *substream)
 {
-	int result;
-	result = snd_pcm_lib_free_pages(substream);
-	return result;
+	return snd_pcm_lib_free_pages(substream);
 }
 
 /* hw_free callback */
 static int snd_p16v_pcm_hw_free_capture(struct snd_pcm_substream *substream)
 {
-	int result;
-	result = snd_pcm_lib_free_pages(substream);
-	return result;
+	return snd_pcm_lib_free_pages(substream);
 }
 
 

sound/pci/ice1712/ice1724.c

@@ -620,9 +620,7 @@ static const unsigned int stdclock_rate_list[16] = {
 
 static unsigned int stdclock_get_rate(struct snd_ice1712 *ice)
 {
-	unsigned int rate;
-	rate = stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
-	return rate;
+	return stdclock_rate_list[inb(ICEMT1724(ice, RATE)) & 15];
 }
 
 static void stdclock_set_rate(struct snd_ice1712 *ice, unsigned int rate)

sound/ppc/snd_ps3.c

@@ -564,9 +564,7 @@ static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
 
 static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
 {
-	int ret;
-	ret = snd_pcm_lib_free_pages(substream);
-	return ret;
+	return snd_pcm_lib_free_pages(substream);
 };
 
 static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,

sound/soc/intel/baytrail/sst-baytrail-ipc.c

@@ -184,15 +184,9 @@ struct sst_byt {
 
 static inline u64 sst_byt_header(int msg_id, int data, bool large, int str_id)
 {
-	u64 header;
-
-	header = IPC_HEADER_MSG_ID(msg_id) |
-		 IPC_HEADER_STR_ID(str_id) |
-		 IPC_HEADER_LARGE(large) |
-		 IPC_HEADER_DATA(data) |
-		 SST_BYT_IPCX_BUSY;
-
-	return header;
+	return IPC_HEADER_MSG_ID(msg_id) | IPC_HEADER_STR_ID(str_id) |
+	       IPC_HEADER_LARGE(large) | IPC_HEADER_DATA(data) |
+	       SST_BYT_IPCX_BUSY;
 }
 
 static inline u16 sst_byt_header_msg_id(u64 header)