BUG_ON() Conversion in sound/sparc/cs4231.c

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>
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 53a148b..8804f26 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -611,8 +611,7 @@
 		unsigned int period_size = snd_pcm_lib_period_bytes(substream);
 		unsigned int offset = period_size * (*periods_sent);
 
-		if (period_size >= (1 << 24))
-			BUG();
+		BUG_ON(period_size >= (1 << 24));
 
 		if (dma_cont->request(dma_cont, runtime->dma_addr + offset, period_size))
 			return;
@@ -1079,8 +1078,7 @@
 	chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
 					    CS4231_PLAYBACK_PIO);
 
-	if (runtime->period_size > 0xffff + 1)
-		BUG();
+	BUG_ON(runtime->period_size > 0xffff + 1);
 
 	chip->p_periods_sent = 0;
 	spin_unlock_irqrestore(&chip->lock, flags);