diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index 638cc148706dcf4099fd1e3c4125c21b2f79c54c..1a7736cbf3a4717202159087fb4355071c5c7c4e 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -325,14 +325,10 @@ snd_seq_oss_synth_cleanup(seq_oss_devinfo_t *dp)
 			}
 			snd_use_lock_free(&rec->use_lock);
 		}
-		if (info->sysex) {
-			kfree(info->sysex);
-			info->sysex = NULL;
-		}
-		if (info->ch) {
-			kfree(info->ch);
-			info->ch = NULL;
-		}
+		kfree(info->sysex);
+		info->sysex = NULL;
+		kfree(info->ch);
+		info->ch = NULL;
 	}
 	dp->synth_opened = 0;
 	dp->max_synthdev = 0;
@@ -418,14 +414,10 @@ snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev)
 					  dp->file_mode) < 0) {
 			midi_synth_dev.opened--;
 			info->opened = 0;
-			if (info->sysex) {
-				kfree(info->sysex);
-				info->sysex = NULL;
-			}
-			if (info->ch) {
-				kfree(info->ch);
-				info->ch = NULL;
-			}
+			kfree(info->sysex);
+			info->sysex = NULL;
+			kfree(info->ch);
+			info->ch = NULL;
 		}
 		return;
 	}
diff --git a/sound/core/seq/seq_dummy.c b/sound/core/seq/seq_dummy.c
index e88967c5b93d1fe6c53428551535840f7043823b..ea945a5d2a0b194f4884cdbac0aeae4c00f3ced2 100644
--- a/sound/core/seq/seq_dummy.c
+++ b/sound/core/seq/seq_dummy.c
@@ -140,10 +140,7 @@ dummy_input(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int
 static void
 dummy_free(void *private_data)
 {
-	snd_seq_dummy_port_t *p;
-
-	p = private_data;
-	kfree(p);
+	kfree(private_data);
 }
 
 /*
diff --git a/sound/core/timer.c b/sound/core/timer.c
index d67a5e91a10831538e093fb592240ae32abfaadf..b498e5482d77d8d40ce20eb1ed08c3e856e49708 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1469,14 +1469,10 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
 	if ((err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid)) < 0)
 		goto __err;
 
-	if (tu->queue) {
-		kfree(tu->queue);
-		tu->queue = NULL;
-	}
-	if (tu->tqueue) {
-		kfree(tu->tqueue);
-		tu->tqueue = NULL;
-	}
+	kfree(tu->queue);
+	tu->queue = NULL;
+	kfree(tu->tqueue);
+	tu->tqueue = NULL;
 	if (tu->tread) {
 		tu->tqueue = (snd_timer_tread_t *)kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL);
 		if (tu->tqueue == NULL)
diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index 98587176b32744469818e9074e9a9508e4821f45..af381b15fe5c4a813eb413ae04b0994b8ae67f38 100644
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -1264,14 +1264,10 @@ static void snd_vx_pcm_free(snd_pcm_t *pcm)
 {
 	vx_core_t *chip = pcm->private_data;
 	chip->pcm[pcm->device] = NULL;
-	if (chip->playback_pipes) {
-		kfree(chip->playback_pipes);
-		chip->playback_pipes = NULL;
-	}
-	if (chip->capture_pipes) {
-		kfree(chip->capture_pipes);
-		chip->capture_pipes = NULL;
-	}
+	kfree(chip->playback_pipes);
+	chip->playback_pipes = NULL;
+	kfree(chip->capture_pipes);
+	chip->capture_pipes = NULL;
 }
 
 /*
diff --git a/sound/i2c/tea6330t.c b/sound/i2c/tea6330t.c
index bb503e70b6645b42b4e4258e46f80dc3b7a66928..2da8d7f157f4609eebc0b8b584af20bea91b1403 100644
--- a/sound/i2c/tea6330t.c
+++ b/sound/i2c/tea6330t.c
@@ -266,8 +266,7 @@ TEA6330T_TREBLE("Tone Control - Treble", 0)
 
 static void snd_tea6330_free(snd_i2c_device_t *device)
 {
-	tea6330t_t *tea = device->private_data;
-	kfree(tea);
+	kfree(device->private_data);
 }
                                         
 int snd_tea6330t_update_mixer(snd_card_t * card,
diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c
index 8995ad9c516d0c33dfe063da63780af087838b38..b75066ab46fc33edfa1dd8262f0d1beb822a7bb9 100644
--- a/sound/isa/gus/gus_pcm.c
+++ b/sound/isa/gus/gus_pcm.c
@@ -656,8 +656,7 @@ static snd_pcm_hardware_t snd_gf1_pcm_capture =
 
 static void snd_gf1_pcm_playback_free(snd_pcm_runtime_t *runtime)
 {
-	gus_pcm_private_t * pcmp = runtime->private_data;
-	kfree(pcmp);
+	kfree(runtime->private_data);
 }
 
 static int snd_gf1_pcm_playback_open(snd_pcm_substream_t *substream)
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index 85caf1bbcc11e544dd3b13d0cd95f631751f9815..0ec0c3ec220b0291eabfdfcba69aa85f4a9acc11 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -332,11 +332,7 @@ static void snd_ca0106_intr_enable(ca0106_t *emu, unsigned int intrenb)
 
 static void snd_ca0106_pcm_free_substream(snd_pcm_runtime_t *runtime)
 {
-	ca0106_pcm_t *epcm = runtime->private_data;
-  
-	if (epcm) {
-		kfree(epcm);
-	}
+	kfree(runtime->private_data);
 }
 
 /* open_playback callback */
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 5f2ffb7efa061dee5c256d479b178d2f8d326c0c..fd4c50c88bc996d441f1aa9eb38e4b52f8ddcc83 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -1295,8 +1295,7 @@ static snd_pcm_hw_constraint_list_t hw_constraints_period_sizes = {
 
 static void snd_cs46xx_pcm_free_substream(snd_pcm_runtime_t *runtime)
 {
-	cs46xx_pcm_t * cpcm = runtime->private_data;
-	kfree(cpcm);
+	kfree(runtime->private_data);
 }
 
 static int _cs46xx_playback_open_channel (snd_pcm_substream_t * substream,int pcm_channel_id)
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index f8d92335a353fc0e11c0b893df8acea5ab3b6ee0..e90c5ddd1d17ef0451e87010040c72bb71966ac7 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -361,10 +361,7 @@ static void snd_emu10k1x_gpio_write(emu10k1x_t *emu, unsigned int value)
 
 static void snd_emu10k1x_pcm_free_substream(snd_pcm_runtime_t *runtime)
 {
-	emu10k1x_pcm_t *epcm = runtime->private_data;
-  
-	if (epcm)
-		kfree(epcm);
+	kfree(runtime->private_data);
 }
 
 static void snd_emu10k1x_pcm_interrupt(emu10k1x_t *emu, emu10k1x_voice_t *voice)
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index fd7cc389f82a7b150c3a0f2efd79c11b3e490dbc..520b99af5f550d0429ef030c8c90c0d8027c0171 100644
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -991,9 +991,7 @@ static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activa
 
 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
 {
-	emu10k1_pcm_t *epcm = runtime->private_data;
-
-	kfree(epcm);
+	kfree(runtime->private_data);
 }
 
 static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream)
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index 52d1074f8696b6e811bf1bc7c1a61b567afada35..e329e19b674f3f9ee99ae7221f8d3357b79063f7 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -491,10 +491,8 @@ static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream,
 		snd_dma_free_pages(&dev->table);
 		dev->table.area = NULL;
 	}
-	if (dev->idx_table) {
-		kfree(dev->idx_table);
-		dev->idx_table = NULL;
-	}
+	kfree(dev->idx_table);
+	dev->idx_table = NULL;
 	return 0;
 }
 
diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index e10fceb3ede9af0ae2cafa0a5c69466f7459bac5..5896d289f9ac3d28238b40dc913e30e03347d9c5 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -352,10 +352,8 @@ static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream,
 		snd_dma_free_pages(&dev->table);
 		dev->table.area = NULL;
 	}
-	if (dev->idx_table) {
-		kfree(dev->idx_table);
-		dev->idx_table = NULL;
-	}
+	kfree(dev->idx_table);
+	dev->idx_table = NULL;
 	return 0;
 }
 
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 997cf37cdddd7f98bbad7cb6fb19c9b00948b91f..2ae79610ecb58cad4d4af120d0826a3ecaf01591 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -829,9 +829,7 @@ static snd_pcm_hardware_t snd_ymfpci_capture =
 
 static void snd_ymfpci_pcm_free_substream(snd_pcm_runtime_t *runtime)
 {
-	ymfpci_pcm_t *ypcm = runtime->private_data;
-	
-	kfree(ypcm);
+	kfree(runtime->private_data);
 }
 
 static int snd_ymfpci_playback_open_1(snd_pcm_substream_t * substream)
diff --git a/sound/pcmcia/vx/vx_entry.c b/sound/pcmcia/vx/vx_entry.c
index 53d8172c52ae328a024a1bd14be54e7d086977f8..332bbca3dfc4ff0459ca7b57526204c90e4a268c 100644
--- a/sound/pcmcia/vx/vx_entry.c
+++ b/sound/pcmcia/vx/vx_entry.c
@@ -68,8 +68,7 @@ static int snd_vxpocket_free(vx_core_t *chip)
 	if (hw)
 		hw->card_list[vxp->index] = NULL;
 	chip->card = NULL;
-	if (chip->dev)
-		kfree(chip->dev);
+	kfree(chip->dev);
 
 	snd_vx_free_firmware(chip);
 	kfree(chip);
diff --git a/sound/synth/emux/emux_effect.c b/sound/synth/emux/emux_effect.c
index ec3fc1ba7fcabfe9a948bf8b5c05416b83979dec..4764940f11a050cff04f9e44690ea3338d1f1a9f 100644
--- a/sound/synth/emux/emux_effect.c
+++ b/sound/synth/emux/emux_effect.c
@@ -291,10 +291,8 @@ snd_emux_create_effect(snd_emux_port_t *p)
 void
 snd_emux_delete_effect(snd_emux_port_t *p)
 {
-	if (p->effect) {
-		kfree(p->effect);
-		p->effect = NULL;
-	}
+	kfree(p->effect);
+	p->effect = NULL;
 }
 
 void
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index a82412b8790de2f4f0322ca9c6e334e09e5af8df..a75695045f2924709009aa910c77eaed3715cd48 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -859,10 +859,8 @@ static void release_urb_ctx(snd_urb_ctx_t *u)
 		usb_free_urb(u->urb);
 		u->urb = NULL;
 	}
-	if (u->buf) {
-		kfree(u->buf);
-		u->buf = NULL;
-	}
+	kfree(u->buf);
+	u->buf = NULL;
 }
 
 /*
@@ -880,10 +878,8 @@ static void release_substream_urbs(snd_usb_substream_t *subs, int force)
 		release_urb_ctx(&subs->dataurb[i]);
 	for (i = 0; i < SYNC_URBS; i++)
 		release_urb_ctx(&subs->syncurb[i]);
-	if (subs->tmpbuf) {
-		kfree(subs->tmpbuf);
-		subs->tmpbuf = NULL;
-	}
+	kfree(subs->tmpbuf);
+	subs->tmpbuf = NULL;
 	subs->nurbs = 0;
 }
 
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 83ba665e5c6e73d71af5886c8a8ff66ff6d48f9e..e73c1c9d3e735a50c9b1edc56c31830c600f28b5 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -623,10 +623,8 @@ static struct usb_feature_control_info audio_feature_info[] = {
 /* private_free callback */
 static void usb_mixer_elem_free(snd_kcontrol_t *kctl)
 {
-	if (kctl->private_data) {
-		kfree(kctl->private_data);
-		kctl->private_data = NULL;
-	}
+	kfree(kctl->private_data);
+	kctl->private_data = NULL;
 }
 
 
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 4c292e0900699e3e33a64416a57b4fda4351b785..62dfd28b3b07f909ec66bfebca5a9c1de614a9ac 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -401,10 +401,8 @@ static void usX2Y_urbs_release(snd_usX2Y_substream_t *subs)
 	for (i = 0; i < NRURBS; i++)
 		usX2Y_urb_release(subs->urb + i, subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
 
-	if (subs->tmpbuf) {
-		kfree(subs->tmpbuf);
-		subs->tmpbuf = NULL;
-	}
+	kfree(subs->tmpbuf);
+	subs->tmpbuf = NULL;
 }
 /*
  * initialize a substream's urbs