1 files changed, 70 insertions, 45 deletions

diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c
index 2873cfe48c3..dd7c41b037b 100644
--- a/sound/pci/cs46xx/dsp_spos_scb_lib.c
+++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c
@@ -46,8 +46,11 @@ static void remove_symbol (struct snd_cs46xx * chip, struct dsp_symbol_entry * s
 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 	int symbol_index = (int)(symbol - ins->symbol_table.symbols);
 
-	snd_assert(ins->symbol_table.nsymbols > 0,return);
-	snd_assert(symbol_index >= 0 && symbol_index < ins->symbol_table.nsymbols, return);
+	if (snd_BUG_ON(ins->symbol_table.nsymbols <= 0))
+		return;
+	if (snd_BUG_ON(symbol_index < 0 ||
+		       symbol_index >= ins->symbol_table.nsymbols))
+		return;
 
 	ins->symbol_table.symbols[symbol_index].deleted = 1;
 
@@ -116,8 +119,9 @@ static void _dsp_unlink_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor
 
 	if ( scb->parent_scb_ptr ) {
 		/* unlink parent SCB */
-		snd_assert ((scb->parent_scb_ptr->sub_list_ptr == scb ||
-			     scb->parent_scb_ptr->next_scb_ptr == scb),return);
+		if (snd_BUG_ON(scb->parent_scb_ptr->sub_list_ptr != scb &&
+			       scb->parent_scb_ptr->next_scb_ptr != scb))
+			return;
   
 		if (scb->parent_scb_ptr->sub_list_ptr == scb) {
 
@@ -140,7 +144,6 @@ static void _dsp_unlink_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor
 				scb->next_scb_ptr = ins->the_null_scb;
 			}
 		} else {
-			/* snd_assert ( (scb->sub_list_ptr == ins->the_null_scb), return); */
 			scb->parent_scb_ptr->next_scb_ptr = scb->next_scb_ptr;
 
 			if (scb->next_scb_ptr != ins->the_null_scb) {
@@ -181,16 +184,17 @@ void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor *
 	unsigned long flags;
 
 	/* check integrety */
-	snd_assert ( (scb->index >= 0 && 
-		      scb->index < ins->nscb && 
-		      (ins->scbs + scb->index) == scb), return );
+	if (snd_BUG_ON(scb->index < 0 ||
+		       scb->index >= ins->nscb ||
+		       (ins->scbs + scb->index) != scb))
+		return;
 
 #if 0
 	/* can't remove a SCB with childs before 
 	   removing childs first  */
-	snd_assert ( (scb->sub_list_ptr == ins->the_null_scb &&
-		      scb->next_scb_ptr == ins->the_null_scb),
-		     goto _end);
+	if (snd_BUG_ON(scb->sub_list_ptr != ins->the_null_scb ||
+		       scb->next_scb_ptr != ins->the_null_scb))
+		goto _end;
 #endif
 
 	spin_lock_irqsave(&scb->lock, flags);
@@ -198,7 +202,8 @@ void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor *
 	spin_unlock_irqrestore(&scb->lock, flags);
 
 	cs46xx_dsp_proc_free_scb_desc(scb);
-	snd_assert (scb->scb_symbol != NULL, return );
+	if (snd_BUG_ON(!scb->scb_symbol))
+		return;
 	remove_symbol (chip,scb->scb_symbol);
 
 	ins->scbs[scb->index].deleted = 1;
@@ -234,7 +239,6 @@ void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb)
 		snd_info_free_entry(scb->proc_info);
 		scb->proc_info = NULL;
 
-		snd_assert (scb_info != NULL, return);
 		kfree (scb_info);
 	}
 }
@@ -291,7 +295,8 @@ _dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u
   
 	unsigned long flags;
 
-	snd_assert (ins->the_null_scb != NULL,return NULL);
+	if (snd_BUG_ON(!ins->the_null_scb))
+		return NULL;
 
 	/* fill the data that will be wroten to DSP */
 	scb_data[SCBsubListPtr] = 
@@ -321,18 +326,20 @@ _dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u
 #endif
 		/* link to  parent SCB */
 		if (scb_child_type == SCB_ON_PARENT_NEXT_SCB) {
-			snd_assert ( (scb->parent_scb_ptr->next_scb_ptr == ins->the_null_scb),
-				     return NULL);
+			if (snd_BUG_ON(scb->parent_scb_ptr->next_scb_ptr !=
+				       ins->the_null_scb))
+				return NULL;
 
 			scb->parent_scb_ptr->next_scb_ptr = scb;
 
 		} else if (scb_child_type == SCB_ON_PARENT_SUBLIST_SCB) {
-			snd_assert ( (scb->parent_scb_ptr->sub_list_ptr == ins->the_null_scb),
-				     return NULL);
+			if (snd_BUG_ON(scb->parent_scb_ptr->sub_list_ptr !=
+				       ins->the_null_scb))
+				return NULL;
 
 			scb->parent_scb_ptr->sub_list_ptr = scb;
 		} else {
-			snd_assert (0,return NULL);
+			snd_BUG();
 		}
 
 		spin_lock_irqsave(&chip->reg_lock, flags);
@@ -675,7 +682,7 @@ cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name,
 		if (pass_through) {
 			/* wont work with any other rate than
 			   the native DSP rate */
-			snd_assert (rate == 48000);
+			snd_BUG_ON(rate != 48000);
 
 			scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb,
 							    dest,"DMAREADER",parent_scb,
@@ -1142,7 +1149,8 @@ find_next_free_scb (struct snd_cs46xx * chip, struct dsp_scb_descriptor * from)
 	struct dsp_scb_descriptor * scb = from;
 
 	while (scb->next_scb_ptr != ins->the_null_scb) {
-		snd_assert (scb->next_scb_ptr != NULL, return NULL);
+		if (snd_BUG_ON(!scb->next_scb_ptr))
+			return NULL;
 
 		scb = scb->next_scb_ptr;
 	}
@@ -1246,10 +1254,11 @@ cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip,
 		break;
 	case DSP_PCM_S71_CHANNEL:
 		/* TODO */
-		snd_assert(0);
+		snd_BUG();
 		break;
 	case DSP_IEC958_CHANNEL:
-		snd_assert (ins->asynch_tx_scb != NULL, return NULL);
+		if (snd_BUG_ON(!ins->asynch_tx_scb))
+			return NULL;
 		mixer_scb = ins->asynch_tx_scb;
 
 		/* if sample rate is set to 48khz we pass
@@ -1262,7 +1271,7 @@ cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip,
 		}
 		break;
 	default:
-		snd_assert (0);
+		snd_BUG();
 		return NULL;
 	}
 	/* default sample rate is 44100 */
@@ -1308,7 +1317,8 @@ cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip,
 				break;
 			}
 		}
-		snd_assert (src_index != -1,return NULL);
+		if (snd_BUG_ON(src_index == -1))
+			return NULL;
 
 		/* we need to create a new SRC SCB */
 		if (mixer_scb->sub_list_ptr == ins->the_null_scb) {
@@ -1462,9 +1472,10 @@ void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip,
 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 	unsigned long flags;
 
-	snd_assert(pcm_channel->active, return );
-	snd_assert(ins->npcm_channels > 0, return );
-	snd_assert(pcm_channel->src_scb->ref_count > 0, return );
+	if (snd_BUG_ON(!pcm_channel->active ||
+		       ins->npcm_channels <= 0 ||
+		       pcm_channel->src_scb->ref_count <= 0))
+		return;
 
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	pcm_channel->unlinked = 1;
@@ -1479,8 +1490,9 @@ void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip,
 	if (!pcm_channel->src_scb->ref_count) {
 		cs46xx_dsp_remove_scb(chip,pcm_channel->src_scb);
 
-		snd_assert (pcm_channel->src_slot >= 0 && pcm_channel->src_slot < DSP_MAX_SRC_NR,
-			    return );
+		if (snd_BUG_ON(pcm_channel->src_slot < 0 ||
+			       pcm_channel->src_slot >= DSP_MAX_SRC_NR))
+			return;
 
 		ins->src_scb_slots[pcm_channel->src_slot] = 0;
 		ins->nsrc_scb --;
@@ -1490,11 +1502,11 @@ void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip,
 int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip,
 			   struct dsp_pcm_channel_descriptor * pcm_channel)
 {
-	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 	unsigned long flags;
 
-	snd_assert(pcm_channel->active,return -EIO);
-	snd_assert(ins->npcm_channels > 0,return -EIO);
+	if (snd_BUG_ON(!pcm_channel->active ||
+		       chip->dsp_spos_instance->npcm_channels <= 0))
+		return -EIO;
 
 	spin_lock(&pcm_channel->src_scb->lock);
 
@@ -1537,7 +1549,7 @@ int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip,
 
 	src_scb->sub_list_ptr = pcm_channel->pcm_reader_scb;
 
-	snd_assert (pcm_channel->pcm_reader_scb->parent_scb_ptr == NULL, ; );
+	snd_BUG_ON(pcm_channel->pcm_reader_scb->parent_scb_ptr);
 	pcm_channel->pcm_reader_scb->parent_scb_ptr = parent_scb;
 
 	spin_lock_irqsave(&chip->reg_lock, flags);
@@ -1564,7 +1576,8 @@ cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * s
 	struct dsp_scb_descriptor * pcm_input;
 	int insert_point;
 
-	snd_assert (ins->record_mixer_scb != NULL,return NULL);
+	if (snd_BUG_ON(!ins->record_mixer_scb))
+		return NULL;
 
 	if (ins->record_mixer_scb->sub_list_ptr != ins->the_null_scb) {
 		parent = find_next_free_scb (chip,ins->record_mixer_scb->sub_list_ptr);
@@ -1583,7 +1596,8 @@ cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * s
 
 int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src)
 {
-	snd_assert (src->parent_scb_ptr != NULL,  return -EINVAL );
+	if (snd_BUG_ON(!src->parent_scb_ptr))
+		return -EINVAL;
 
 	/* mute SCB */
 	cs46xx_dsp_scb_set_volume (chip,src,0,0);
@@ -1598,8 +1612,10 @@ int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src)
 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 	struct dsp_scb_descriptor * parent_scb;
 
-	snd_assert (src->parent_scb_ptr == NULL,   return -EINVAL );
-	snd_assert(ins->master_mix_scb !=NULL,   return -EINVAL );
+	if (snd_BUG_ON(src->parent_scb_ptr))
+		return -EINVAL;
+	if (snd_BUG_ON(!ins->master_mix_scb))
+		return -EINVAL;
 
 	if (ins->master_mix_scb->sub_list_ptr != ins->the_null_scb) {
 		parent_scb = find_next_free_scb (chip,ins->master_mix_scb->sub_list_ptr);
@@ -1635,8 +1651,11 @@ int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip)
 		return -EBUSY;
 	}
 
-	snd_assert (ins->asynch_tx_scb == NULL, return -EINVAL);
-	snd_assert (ins->master_mix_scb->next_scb_ptr == ins->the_null_scb, return -EINVAL);
+	if (snd_BUG_ON(ins->asynch_tx_scb))
+		return -EINVAL;
+	if (snd_BUG_ON(ins->master_mix_scb->next_scb_ptr !=
+		       ins->the_null_scb))
+		return -EINVAL;
 
 	/* reset output snooper sample buffer pointer */
 	snd_cs46xx_poke (chip, (ins->ref_snoop_scb->address + 2) << 2,
@@ -1676,10 +1695,15 @@ int  cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip)
 	}
 
 	/* check integrety */
-	snd_assert (ins->asynch_tx_scb != NULL, return -EINVAL);
-	snd_assert (ins->spdif_pcm_input_scb != NULL,return -EINVAL);
-	snd_assert (ins->master_mix_scb->next_scb_ptr == ins->asynch_tx_scb, return -EINVAL);
-	snd_assert (ins->asynch_tx_scb->parent_scb_ptr == ins->master_mix_scb, return -EINVAL);
+	if (snd_BUG_ON(!ins->asynch_tx_scb))
+		return -EINVAL;
+	if (snd_BUG_ON(!ins->spdif_pcm_input_scb))
+		return -EINVAL;
+	if (snd_BUG_ON(ins->master_mix_scb->next_scb_ptr != ins->asynch_tx_scb))
+		return -EINVAL;
+	if (snd_BUG_ON(ins->asynch_tx_scb->parent_scb_ptr !=
+		       ins->master_mix_scb))
+		return -EINVAL;
 
 	cs46xx_dsp_remove_scb (chip,ins->spdif_pcm_input_scb);
 	cs46xx_dsp_remove_scb (chip,ins->asynch_tx_scb);
@@ -1734,7 +1758,8 @@ int cs46xx_iec958_post_close (struct snd_cs46xx *chip)
 {
 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 
-	snd_assert (ins->asynch_tx_scb != NULL, return -EINVAL);
+	if (snd_BUG_ON(!ins->asynch_tx_scb))
+		return -EINVAL;
 
 	ins->spdif_status_out  &= ~DSP_SPDIF_STATUS_PLAYBACK_OPEN;