[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>

17 files changed, 126 insertions, 102 deletions

diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
index 24e85520890b..f3a2fdca9ad2 100644
--- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
+++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
@@ -18,8 +18,8 @@
       </affiliation>
      </author>
 
-     <date>March 6, 2005</date>
-     <edition>0.3.4</edition>
+     <date>October 6, 2005</date>
+     <edition>0.3.5</edition>
 
     <abstract>
       <para>
@@ -30,7 +30,7 @@
 
     <legalnotice>
     <para>
-    Copyright (c) 2002-2004  Takashi Iwai <email>tiwai@suse.de</email>
+    Copyright (c) 2002-2005  Takashi Iwai <email>tiwai@suse.de</email>
     </para>
 
     <para>
@@ -5998,32 +5998,23 @@ struct _snd_pcm_runtime {
         The first argument is the expression to evaluate, and the
       second argument is the action if it fails. When
       <constant>CONFIG_SND_DEBUG</constant>, is set, it will show an
-      error message such as <computeroutput>BUG? (xxx) (called from
-      yyy)</computeroutput>. When no debug flag is set, this is
-      ignored. 
+      error message such as <computeroutput>BUG? (xxx)</computeroutput>
+      together with stack trace.
       </para>
-    </section>
-
-    <section id="useful-functions-snd-runtime-check">
-      <title><function>snd_runtime_check()</function></title>
       <para>
-        This macro is quite similar with
-      <function>snd_assert()</function>. Unlike
-      <function>snd_assert()</function>, the expression is always
-      evaluated regardless of
-      <constant>CONFIG_SND_DEBUG</constant>. When
-      <constant>CONFIG_SND_DEBUG</constant> is set, the macro will
-      show a message like <computeroutput>ERROR (xx) (called from
-      yyy)</computeroutput>. 
+         When no debug flag is set, this macro is ignored. 
       </para>
     </section>
 
     <section id="useful-functions-snd-bug">
       <title><function>snd_BUG()</function></title>
       <para>
-        It calls <function>snd_assert(0,)</function> -- that is, just
-      prints the error message at the point. It's useful to show that
-      a fatal error happens there. 
+        It shows <computeroutput>BUG?</computeroutput> message and
+      stack trace as well as <function>snd_assert</function> at the point.
+      It's useful to show that a fatal error happens there. 
+      </para>
+      <para>
+         When no debug flag is set, this macro is ignored. 
       </para>
     </section>
   </chapter>
diff --git a/include/sound/core.h b/include/sound/core.h
index 6d971a4c4ca0..f0f54407fe5c 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -429,34 +429,24 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
  * When CONFIG_SND_DEBUG is not set, the expression is executed but
  * not checked.
  */
-#define snd_assert(expr, args...) do {\
-        if (unlikely(!(expr))) {                                \
-                snd_printk(KERN_ERR "BUG? (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\
-                args;\
-        }\
+#define snd_assert(expr, args...) do {                                  \
+        if (unlikely(!(expr))) {                                        \
+                snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr));  \
+                dump_stack();                                           \
+                args;                                                   \
+        }                                                               \
 } while (0)
-/**
- * snd_runtime_check - run-time assertion macro
- * @expr: expression
- * @args...: the action
- *
- * This macro checks the expression in run-time and invokes the commands
- * given in the rest arguments if the assertion is failed.
- * Unlike snd_assert(), the action commands are executed even if
- * CONFIG_SND_DEBUG is not set but without any error messages.
- */
-#define snd_runtime_check(expr, args...) do {\
-        if (unlikely(!(expr))) {                                \
-                snd_printk(KERN_ERR "ERROR (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\
-                args;\
-        }\
+
+#define snd_BUG() do {                          \
+        snd_printk(KERN_ERR "BUG?\n");          \
+        dump_stack();                           \
 } while (0)
 
 #else /* !CONFIG_SND_DEBUG */
 
 #define snd_printd(fmt, args...)        /* nothing */
 #define snd_assert(expr, args...)       (void)(expr)
-#define snd_runtime_check(expr, args...) do { if (!(expr)) { args; } } while (0)
+#define snd_BUG()                       /* nothing */
 
 #endif /* CONFIG_SND_DEBUG */
 
@@ -473,8 +463,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
 #define snd_printdd(format, args...) /* nothing */
 #endif
 
-#define snd_BUG() snd_assert(0, )
-
 
 static inline void snd_timestamp_now(struct timespec *tstamp, int timespec)
 {
diff --git a/sound/core/control.c b/sound/core/control.c
index 736edf358e05..212c46a94376 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -144,7 +144,7 @@ void snd_ctl_notify(snd_card_t *card, unsigned int mask, snd_ctl_elem_id_t *id)
         snd_ctl_file_t *ctl;
         snd_kctl_event_t *ev;
         
-        snd_runtime_check(card != NULL && id != NULL, return);
+        snd_assert(card != NULL && id != NULL, return);
         read_lock(&card->ctl_files_rwlock);
 #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
         card->mixer_oss_change_count++;
@@ -193,8 +193,8 @@ snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * control, unsigned int access)
         snd_kcontrol_t *kctl;
         unsigned int idx;
         
-        snd_runtime_check(control != NULL, return NULL);
-        snd_runtime_check(control->count > 0, return NULL);
+        snd_assert(control != NULL, return NULL);
+        snd_assert(control->count > 0, return NULL);
         kctl = kzalloc(sizeof(*kctl) + sizeof(snd_kcontrol_volatile_t) * control->count, GFP_KERNEL);
         if (kctl == NULL)
                 return NULL;
@@ -220,7 +220,7 @@ snd_kcontrol_t *snd_ctl_new1(const snd_kcontrol_new_t * ncontrol, void *private_
         snd_kcontrol_t kctl;
         unsigned int access;
         
-        snd_runtime_check(ncontrol != NULL, return NULL);
+        snd_assert(ncontrol != NULL, return NULL);
         snd_assert(ncontrol->info != NULL, return NULL);
         memset(&kctl, 0, sizeof(kctl));
         kctl.id.iface = ncontrol->iface;
@@ -309,7 +309,7 @@ int snd_ctl_add(snd_card_t * card, snd_kcontrol_t * kcontrol)
         snd_ctl_elem_id_t id;
         unsigned int idx;
 
-        snd_runtime_check(card != NULL && kcontrol != NULL, return -EINVAL);
+        snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
         snd_assert(kcontrol->info != NULL, return -EINVAL);
         id = kcontrol->id;
         down_write(&card->controls_rwsem);
@@ -355,7 +355,7 @@ int snd_ctl_remove(snd_card_t * card, snd_kcontrol_t * kcontrol)
         snd_ctl_elem_id_t id;
         unsigned int idx;
 
-        snd_runtime_check(card != NULL && kcontrol != NULL, return -EINVAL);
+        snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
         list_del(&kcontrol->list);
         card->controls_count -= kcontrol->count;
         id = kcontrol->id;
@@ -468,7 +468,7 @@ snd_kcontrol_t *snd_ctl_find_numid(snd_card_t * card, unsigned int numid)
         struct list_head *list;
         snd_kcontrol_t *kctl;
 
-        snd_runtime_check(card != NULL && numid != 0, return NULL);
+        snd_assert(card != NULL && numid != 0, return NULL);
         list_for_each(list, &card->controls) {
                 kctl = snd_kcontrol(list);
                 if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid)
@@ -494,7 +494,7 @@ snd_kcontrol_t *snd_ctl_find_id(snd_card_t * card, snd_ctl_elem_id_t *id)
         struct list_head *list;
         snd_kcontrol_t *kctl;
 
-        snd_runtime_check(card != NULL && id != NULL, return NULL);
+        snd_assert(card != NULL && id != NULL, return NULL);
         if (id->numid != 0)
                 return snd_ctl_find_numid(card, id->numid);
         list_for_each(list, &card->controls) {
@@ -1215,7 +1215,7 @@ static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn, struct list_head
         struct list_head *list;
         snd_kctl_ioctl_t *p;
 
-        snd_runtime_check(fcn != NULL, return -EINVAL);
+        snd_assert(fcn != NULL, return -EINVAL);
         down_write(&snd_ioctl_rwsem);
         list_for_each(list, lists) {
                 p = list_entry(list, snd_kctl_ioctl_t, list);
diff --git a/sound/core/init.c b/sound/core/init.c
index 41e224986f35..b98f7c6310c5 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -420,7 +420,7 @@ int snd_card_register(snd_card_t * card)
         int err;
         snd_info_entry_t *entry;
 
-        snd_runtime_check(card != NULL, return -EINVAL);
+        snd_assert(card != NULL, return -EINVAL);
         if ((err = snd_device_register_all(card)) < 0)
                 return err;
         write_lock(&snd_card_rwlock);
@@ -524,7 +524,8 @@ int __init snd_card_info_init(void)
         snd_info_entry_t *entry;
 
         entry = snd_info_create_module_entry(THIS_MODULE, "cards", NULL);
-        snd_runtime_check(entry != NULL, return -ENOMEM);
+        if (! entry)
+                return -ENOMEM;
         entry->c.text.read_size = PAGE_SIZE;
         entry->c.text.read = snd_card_info_read;
         if (snd_info_register(entry) < 0) {
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 69e1059112d1..b2497cec2079 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -521,9 +521,13 @@ static void snd_mixer_oss_get_volume1_vol(snd_mixer_oss_file_t *fmixer,
         uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
         if (uinfo == NULL || uctl == NULL)
                 goto __unalloc;
-        snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
-        snd_runtime_check(!kctl->get(kctl, uctl), goto __unalloc);
-        snd_runtime_check(uinfo->type != SNDRV_CTL_ELEM_TYPE_BOOLEAN || uinfo->value.integer.min != 0 || uinfo->value.integer.max != 1, goto __unalloc);
+        if (kctl->info(kctl, uinfo))
+                goto __unalloc;
+        if (kctl->get(kctl, uctl))
+                goto __unalloc;
+        if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
+            uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
+                goto __unalloc;
         *left = snd_mixer_oss_conv1(uctl->value.integer.value[0], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[0]);
         if (uinfo->count > 1)
                 *right = snd_mixer_oss_conv1(uctl->value.integer.value[1], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[1]);
@@ -555,8 +559,10 @@ static void snd_mixer_oss_get_volume1_sw(snd_mixer_oss_file_t *fmixer,
         uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
         if (uinfo == NULL || uctl == NULL)
                 goto __unalloc;
-        snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
-        snd_runtime_check(!kctl->get(kctl, uctl), goto __unalloc);
+        if (kctl->info(kctl, uinfo))
+                goto __unalloc;
+        if (kctl->get(kctl, uctl))
+                goto __unalloc;
         if (!uctl->value.integer.value[0]) {
                 *left = 0;
                 if (uinfo->count == 1)
@@ -616,12 +622,16 @@ static void snd_mixer_oss_put_volume1_vol(snd_mixer_oss_file_t *fmixer,
         uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
         if (uinfo == NULL || uctl == NULL)
                 goto __unalloc;
-        snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
-        snd_runtime_check(uinfo->type != SNDRV_CTL_ELEM_TYPE_BOOLEAN || uinfo->value.integer.min != 0 || uinfo->value.integer.max != 1, goto __unalloc);
+        if (kctl->info(kctl, uinfo))
+                goto __unalloc;
+        if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
+            uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
+                goto __unalloc;
         uctl->value.integer.value[0] = snd_mixer_oss_conv2(left, uinfo->value.integer.min, uinfo->value.integer.max);
         if (uinfo->count > 1)
                 uctl->value.integer.value[1] = snd_mixer_oss_conv2(right, uinfo->value.integer.min, uinfo->value.integer.max);
-        snd_runtime_check((res = kctl->put(kctl, uctl)) >= 0, goto __unalloc);
+        if ((res = kctl->put(kctl, uctl)) < 0)
+                goto __unalloc;
         if (res > 0)
                 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
       __unalloc:
@@ -653,7 +663,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer,
         uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
         if (uinfo == NULL || uctl == NULL)
                 goto __unalloc;
-        snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
+        if (kctl->info(kctl, uinfo))
+                goto __unalloc;
         if (uinfo->count > 1) {
                 uctl->value.integer.value[0] = left > 0 ? 1 : 0;
                 uctl->value.integer.value[route ? 3 : 1] = right > 0 ? 1 : 0;
@@ -664,7 +675,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer,
         } else {
                 uctl->value.integer.value[0] = (left > 0 || right > 0) ? 1 : 0;
         }
-        snd_runtime_check((res = kctl->put(kctl, uctl)) >= 0, goto __unalloc);
+        if ((res = kctl->put(kctl, uctl)) < 0)
+                goto __unalloc;
         if (res > 0)
                 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
       __unalloc:
@@ -776,9 +788,14 @@ static int snd_mixer_oss_get_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
         }
         down_read(&card->controls_rwsem);
         kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
-        snd_runtime_check(kctl != NULL, err = -ENOENT; goto __unlock);
-        snd_runtime_check(!(err = kctl->info(kctl, uinfo)), goto __unlock);
-        snd_runtime_check(!(err = kctl->get(kctl, uctl)), goto __unlock);
+        if (! kctl) {
+                err = -ENOENT;
+                goto __unlock;
+        }
+        if ((err = kctl->info(kctl, uinfo)) < 0)
+                goto __unlock;
+        if ((err = kctl->get(kctl, uctl)) < 0)
+                goto __unlock;
         for (idx = 0; idx < 32; idx++) {
                 if (!(mixer->mask_recsrc & (1 << idx)))
                         continue;
@@ -821,8 +838,12 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
         }
         down_read(&card->controls_rwsem);
         kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
-        snd_runtime_check(kctl != NULL, err = -ENOENT; goto __unlock);
-        snd_runtime_check(!(err = kctl->info(kctl, uinfo)), goto __unlock);
+        if (! kctl) {
+                err = -ENOENT;
+                goto __unlock;
+        }
+        if ((err = kctl->info(kctl, uinfo)) < 0)
+                goto __unlock;
         for (idx = 0; idx < 32; idx++) {
                 if (!(mixer->mask_recsrc & (1 << idx)))
                         continue;
@@ -836,10 +857,11 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
                         break;
                 slot = NULL;
         }
-        snd_runtime_check(slot != NULL, goto __unlock);
+        if (! slot)
+                goto __unlock;
         for (idx = 0; idx < uinfo->count; idx++)
                 uctl->value.enumerated.item[idx] = slot->capture_item;
-        snd_runtime_check((err = kctl->put(kctl, uctl)) >= 0, );
+        err = kctl->put(kctl, uctl);
         if (err > 0)
                 snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
         err = 0;
@@ -1008,7 +1030,8 @@ static int snd_mixer_oss_build_input(snd_mixer_oss_t *mixer, struct snd_mixer_os
         up_read(&mixer->card->controls_rwsem);
         if (slot.present != 0) {
                 pslot = (struct slot *)kmalloc(sizeof(slot), GFP_KERNEL);
-                snd_runtime_check(pslot != NULL, return -ENOMEM);
+                if (! pslot)
+                        return -ENOMEM;
                 *pslot = slot;
                 pslot->signature = SNDRV_MIXER_OSS_SIGNATURE;
                 pslot->assigned = ptr;
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 1be470e942ef..184e74b75ba9 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -273,7 +273,8 @@ static void snd_pcm_proc_info_read(snd_pcm_substream_t *substream, snd_info_buff
         snd_pcm_info_t *info;
         int err;
 
-        snd_runtime_check(substream, return);
+        if (! substream)
+                return;
 
         info = kmalloc(sizeof(*info), GFP_KERNEL);
         if (! info) {
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 0503980c23d9..dfc5f45f2748 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -156,9 +156,8 @@ static inline snd_pcm_uframes_t snd_pcm_update_hw_ptr_pos(snd_pcm_substream_t *s
 #ifdef CONFIG_SND_DEBUG
         if (pos >= runtime->buffer_size) {
                 snd_printk(KERN_ERR  "BUG: stream = %i, pos = 0x%lx, buffer size = 0x%lx, period size = 0x%lx\n", substream->stream, pos, runtime->buffer_size, runtime->period_size);
-        } else
+        }
 #endif
-        snd_runtime_check(pos < runtime->buffer_size, return 0);
         pos -= pos % runtime->min_align;
         return pos;
 }
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index e97b2d162cc7..e6e2b70314c0 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2053,7 +2053,8 @@ static int snd_pcm_open(struct inode *inode, struct file *file)
         snd_pcm_file_t *pcm_file;
         wait_queue_t wait;
 
-        snd_runtime_check(device >= SNDRV_MINOR_PCM_PLAYBACK && device < SNDRV_MINOR_DEVICES, return -ENXIO);
+        if (device < SNDRV_MINOR_PCM_PLAYBACK || device >= SNDRV_MINOR_DEVICES)
+                return -ENXIO;
         pcm = snd_pcm_devices[(cardnum * SNDRV_PCM_DEVICES) + (device % SNDRV_MINOR_PCMS)];
         if (pcm == NULL) {
                 err = -ENODEV;
diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index b4674ae3bc30..f89f40f44876 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -449,11 +449,9 @@ snd_seq_midisynth_unregister_port(snd_seq_device_t *dev)
         client->ports_per_device[device] = 0;
         msynth = client->ports[device];
         client->ports[device] = NULL;
-        snd_runtime_check(msynth != NULL || ports <= 0, goto __skip);
         for (p = 0; p < ports; p++)
                 snd_seq_midisynth_delete(&msynth[p]);
         kfree(msynth);
-      __skip:
         client->num_ports--;
         if (client->num_ports <= 0) {
                 snd_seq_delete_kernel_client(client->seq_client);
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 22b104624084..128916c66085 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -879,7 +879,8 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t
         snd_timer_instance_t *ti, *ts;
         struct list_head *p, *n;
 
-        snd_runtime_check(timer->hw.flags & SNDRV_TIMER_HW_SLAVE, return);      
+        if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))
+                return;
         snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && event <= SNDRV_TIMER_EVENT_MRESUME, return);
         spin_lock_irqsave(&timer->lock, flags);
         if (event == SNDRV_TIMER_EVENT_MSTART ||
diff --git a/sound/isa/cs423x/cs4236_lib.c b/sound/isa/cs423x/cs4236_lib.c
index 2128d4bdef41..1adb88d5f8f4 100644
--- a/sound/isa/cs423x/cs4236_lib.c
+++ b/sound/isa/cs423x/cs4236_lib.c
@@ -173,7 +173,10 @@ static unsigned char divisor_to_rate_register(unsigned int divisor)
         case 2117:      return 6;
         case 2558:      return 7;
         default:
-                snd_runtime_check(divisor >= 21 && divisor <= 192, return 192);
+                if (divisor < 21 || divisor > 192) {
+                        snd_BUG();
+                        return 192;
+                }
                 return divisor;
         }
 }
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
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 392b2abd9f13..db2f1815fc30 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -220,7 +220,8 @@ static int snd_pmac_pcm_prepare(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substr
 
         /* set up constraints */
         astr = snd_pmac_get_stream(chip, another_stream(rec->stream));
-        snd_runtime_check(astr, return -EINVAL);
+        if (! astr)
+                return -EINVAL;
         astr->cur_freqs = 1 << rate_index;
         astr->cur_formats = 1 << runtime->format;
         chip->rate_index = rate_index;
@@ -467,7 +468,8 @@ static int snd_pmac_hw_rule_rate(snd_pcm_hw_params_t *params,
         pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]);
         int i, freq_table[8], num_freqs;
 
-        snd_runtime_check(rec, return -EINVAL);
+        if (! rec)
+                return -EINVAL;
         num_freqs = 0;
         for (i = chip->num_freqs - 1; i >= 0; i--) {
                 if (rec->cur_freqs & (1 << i))
@@ -484,7 +486,8 @@ static int snd_pmac_hw_rule_format(snd_pcm_hw_params_t *params,
         pmac_t *chip = rule->private;
         pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]);
 
-        snd_runtime_check(rec, return -EINVAL);
+        if (! rec)
+                return -EINVAL;
         return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT),
                                    rec->cur_formats);
 }
@@ -569,7 +572,8 @@ static int snd_pmac_pcm_close(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substrea
         snd_pmac_dma_stop(rec);
 
         astr = snd_pmac_get_stream(chip, another_stream(rec->stream));
-        snd_runtime_check(astr, return -EINVAL);
+        if (! astr)
+                return -EINVAL;
 
         /* reset constraints */
         astr->cur_freqs = chip->freqs_ok;
@@ -1158,7 +1162,6 @@ int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return)
                 .dev_free =     snd_pmac_dev_free,
         };
 
-        snd_runtime_check(chip_return, return -EINVAL);
         *chip_return = NULL;
 
         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -1382,7 +1385,8 @@ static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when)
         pmac_t *chip;
 
         chip = sleeping_pmac;
-        snd_runtime_check(chip, return 0);
+        if (! chip)
+                return 0;
 
         switch (when) {
         case PBOOK_SLEEP_NOW: