[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 56549add80a8..bbc409ae7ee9 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 b24beb32961e..de1c72ad2c6b 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 20db3ac6cd61..177c4ad0f778 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 66ba27afe962..bf7490dae09b 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 777da9a7298b..dda62955b4fe 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