- Remove more dead code[1]. Since r207330, we only need to check division

by zero of the second argument 'from'.
- Prefer u_int32_t over unsigned int to make its intention more clearer.
- Move the function to a header file and make it a static inline function.

Pointed out by:	Andrew Reilly (areilly at bigpond dot net dot au)[1]
MFC after:	3 days

1 files changed, 11 insertions, 1 deletions

diff --git a/sys/dev/sound/pcm/buffer.h b/sys/dev/sound/pcm/buffer.h
index 91a63af0760d..d079cdbad4f7 100644
--- a/sys/dev/sound/pcm/buffer.h
+++ b/sys/dev/sound/pcm/buffer.h
@@ -111,7 +111,6 @@ u_int64_t sndbuf_getblocks(struct snd_dbuf *b);
 u_int64_t sndbuf_getprevblocks(struct snd_dbuf *b);
 u_int64_t sndbuf_gettotal(struct snd_dbuf *b);
 u_int64_t sndbuf_getprevtotal(struct snd_dbuf *b);
-unsigned int snd_xbytes(unsigned int v, unsigned int from, unsigned int to);
 unsigned int sndbuf_xbytes(unsigned int v, struct snd_dbuf *from, struct snd_dbuf *to);
 u_int8_t sndbuf_zerodata(u_int32_t fmt);
 void sndbuf_updateprevtotal(struct snd_dbuf *b);
@@ -132,3 +131,14 @@ void sndbuf_dmabounce(struct snd_dbuf *b);
 #ifdef OSSV4_EXPERIMENT
 void sndbuf_getpeaks(struct snd_dbuf *b, int *lp, int *rp);
 #endif
+
+static inline u_int32_t
+snd_xbytes(u_int32_t v, u_int32_t from, u_int32_t to)
+{
+
+	if (from == to)
+		return (v);
+	if (from == 0)
+		return (0);
+	return ((u_int64_t)v * to / from);
+}