[ALSA] Remove snd_runtime_check() macro

Remove snd_runtime_check() macro.
This macro worsens the readability of codes.  They should be either
normal if() or removable asserts.

Also, the assert displays stack-dump, instead of only the last caller
pointer.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

5 files changed, 29 insertions, 15 deletions

diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 56549add80a..bbc409ae7ee 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -1127,7 +1127,6 @@ snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97
 {
 	snd_kcontrol_new_t template;
 	memcpy(&template, _template, sizeof(template));
-	snd_runtime_check(!template.index, return NULL);
 	template.index = ac97->num;
 	return snd_ctl_new1(&template, ac97);
 }
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index b24beb32961..de1c72ad2c6 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1460,7 +1460,8 @@ int patch_ad1881(ac97_t * ac97)
 	codecs[1] = patch_ad1881_unchained(ac97, 1, (1<<14));
 	codecs[2] = patch_ad1881_unchained(ac97, 2, (1<<13));
 
-	snd_runtime_check(codecs[0] | codecs[1] | codecs[2], goto __end);
+	if (! (codecs[0] || codecs[1] || codecs[2]))
+		goto __end;
 
 	for (idx = 0; idx < 3; idx++)
 		if (ac97->spec.ad18xx.unchained[idx])
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 20db3ac6cd6..177c4ad0f77 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -364,12 +364,18 @@ static int snd_emu10k1_gpr_ctl_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value
 			snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[i], 0, db_table[val]);
 			break;
 		case EMU10K1_GPR_TRANSLATION_BASS:
-			snd_runtime_check((ctl->count % 5) == 0 && (ctl->count / 5) == ctl->vcount, change = -EIO; goto __error);
+			if ((ctl->count % 5) != 0 || (ctl->count / 5) != ctl->vcount) {
+				change = -EIO;
+				goto __error;
+			}
 			for (j = 0; j < 5; j++)
 				snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[j * ctl->vcount + i], 0, bass_table[val][j]);
 			break;
 		case EMU10K1_GPR_TRANSLATION_TREBLE:
-			snd_runtime_check((ctl->count % 5) == 0 && (ctl->count / 5) == ctl->vcount, change = -EIO; goto __error);
+			if ((ctl->count % 5) != 0 || (ctl->count / 5) != ctl->vcount) {
+				change = -EIO;
+				goto __error;
+			}
 			for (j = 0; j < 5; j++)
 				snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[j * ctl->vcount + i], 0, treble_table[val][j]);
 			break;
@@ -412,8 +418,6 @@ int snd_emu10k1_fx8010_register_irq_handler(emu10k1_t *emu,
 	snd_emu10k1_fx8010_irq_t *irq;
 	unsigned long flags;
 	
-	snd_runtime_check(emu, return -EINVAL);
-	snd_runtime_check(handler, return -EINVAL);
 	irq = kmalloc(sizeof(*irq), GFP_ATOMIC);
 	if (irq == NULL)
 		return -ENOMEM;
@@ -442,7 +446,6 @@ int snd_emu10k1_fx8010_unregister_irq_handler(emu10k1_t *emu,
 	snd_emu10k1_fx8010_irq_t *tmp;
 	unsigned long flags;
 	
-	snd_runtime_check(irq, return -EINVAL);
 	spin_lock_irqsave(&emu->fx8010.irq_lock, flags);
 	if ((tmp = emu->fx8010.irq_handlers) == irq) {
 		emu->fx8010.irq_handlers = tmp->next;
@@ -717,9 +720,15 @@ static int snd_emu10k1_add_controls(emu10k1_t *emu, emu10k1_fx8010_code_t *icode
 			err = -EFAULT;
 			goto __error;
 		}
-		snd_runtime_check(gctl->id.iface == SNDRV_CTL_ELEM_IFACE_MIXER ||
-		                  gctl->id.iface == SNDRV_CTL_ELEM_IFACE_PCM, err = -EINVAL; goto __error);
-		snd_runtime_check(gctl->id.name[0] != '\0', err = -EINVAL; goto __error);
+		if (gctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
+		    gctl->id.iface != SNDRV_CTL_ELEM_IFACE_PCM) {
+			err = -EINVAL;
+			goto __error;
+		}
+		if (! gctl->id.name[0]) {
+			err = -EINVAL;
+			goto __error;
+		}
 		ctl = snd_emu10k1_look_for_ctl(emu, &gctl->id);
 		memset(&knew, 0, sizeof(knew));
 		knew.iface = gctl->id.iface;
@@ -783,7 +792,8 @@ static int snd_emu10k1_del_controls(emu10k1_t *emu, emu10k1_fx8010_code_t *icode
 	
 	for (i = 0, _id = icode->gpr_del_controls;
 	     i < icode->gpr_del_control_count; i++, _id++) {
-	     	snd_runtime_check(copy_from_user(&id, _id, sizeof(id)) == 0, return -EFAULT);
+	     	if (copy_from_user(&id, _id, sizeof(id)))
+			return -EFAULT;
 		down_write(&card->controls_rwsem);
 		ctl = snd_emu10k1_look_for_ctl(emu, &id);
 		if (ctl)
@@ -2075,14 +2085,16 @@ void snd_emu10k1_free_efx(emu10k1_t *emu)
 #if 0 // FIXME: who use them?
 int snd_emu10k1_fx8010_tone_control_activate(emu10k1_t *emu, int output)
 {
-	snd_runtime_check(output >= 0 && output < 6, return -EINVAL);
+	if (output < 0 || output >= 6)
+		return -EINVAL;
 	snd_emu10k1_ptr_write(emu, emu->gpr_base + 0x94 + output, 0, 1);
 	return 0;
 }
 
 int snd_emu10k1_fx8010_tone_control_deactivate(emu10k1_t *emu, int output)
 {
-	snd_runtime_check(output >= 0 && output < 6, return -EINVAL);
+	if (output < 0 || output >= 6)
+		return -EINVAL;
 	snd_emu10k1_ptr_write(emu, emu->gpr_base + 0x94 + output, 0, 0);
 	return 0;
 }
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index 66ba27afe96..bf7490dae09 100644
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -965,7 +965,8 @@ static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl,
 {
 	snd_ctl_elem_id_t id;
 
-	snd_runtime_check(kctl != NULL, return);
+	if (! kctl)
+		return;
 	if (activate)
 		kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 	else
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 777da9a7298..dda62955b4f 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -2893,7 +2893,8 @@ static void snd_trident_notify_pcm_change1(snd_card_t * card, snd_kcontrol_t *kc
 {
 	snd_ctl_elem_id_t id;
 
-	snd_runtime_check(kctl != NULL, return);
+	if (! kctl)
+		return;
 	if (activate)
 		kctl->vd[num].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 	else