BUG_ON() Conversion in drivers/block/

this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

drivers/block/DAC960.c

@@ -228,8 +228,7 @@ static void *slice_dma_loaf(struct dma_loaf *loaf, size_t len,
 	void *cpu_end = loaf->cpu_free + len;
 	void *cpu_addr = loaf->cpu_free;
 
-	if (cpu_end > loaf->cpu_base + loaf->length)
-		BUG();
+	BUG_ON(cpu_end > loaf->cpu_base + loaf->length);
 	*dma_handle = loaf->dma_free;
 	loaf->cpu_free = cpu_end;
 	loaf->dma_free += len;

drivers/block/cciss.c

@@ -2361,8 +2361,7 @@ static void do_cciss_request(request_queue_t *q)
 	if (!creq)
 		goto startio;
 
-	if (creq->nr_phys_segments > MAXSGENTRIES)
-                BUG();
+	BUG_ON(creq->nr_phys_segments > MAXSGENTRIES);
 
 	if (( c = cmd_alloc(h, 1)) == NULL)
 		goto full;

drivers/block/cciss_scsi.c

@@ -1316,7 +1316,7 @@ cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd
 
 	cp->Request.Timeout = 0;
 	memset(cp->Request.CDB, 0, sizeof(cp->Request.CDB));
-	if (cmd->cmd_len > sizeof(cp->Request.CDB)) BUG();
+	BUG_ON(cmd->cmd_len > sizeof(cp->Request.CDB));
 	cp->Request.CDBLen = cmd->cmd_len;
 	memcpy(cp->Request.CDB, cmd->cmnd, cmd->cmd_len);
 	cp->Request.Type.Type = TYPE_CMD;

drivers/block/cpqarray.c

@@ -906,8 +906,7 @@ static void do_ida_request(request_queue_t *q)
 	if (!creq)
 		goto startio;
 
-	if (creq->nr_phys_segments > SG_MAX)
-		BUG();
+	BUG_ON(creq->nr_phys_segments > SG_MAX);
 
 	if ((c = cmd_alloc(h,1)) == NULL)
 		goto startio;