From 8a8aafd2b901f78a3ce02fad717482ae58ab72b7 Mon Sep 17 00:00:00 2001
From: Alex Converse <alex.converse@gmail.com>
Date: Thu, 8 Sep 2011 11:02:43 -0700
Subject: [PATCH] wavpack: Check error codes rather than working around error
 conditions. (cherry picked from commit
 dba2b63a98bdcac7bda1a8a2c48950518c075e17)

---
 libavcodec/wavpack.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 1e6d857849..61a75fd765 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -1141,7 +1141,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
             int16_t *dst = (int16_t*)samples + 1;
             int16_t *src = (int16_t*)samples;
             int cnt = samplecount;
-            while(cnt-- > 0){
+            while(cnt--){
                 *dst = *src;
                 src += channel_stride;
                 dst += channel_stride;
@@ -1150,7 +1150,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
             int32_t *dst = (int32_t*)samples + 1;
             int32_t *src = (int32_t*)samples;
             int cnt = samplecount;
-            while(cnt-- > 0){
+            while(cnt--){
                 *dst = *src;
                 src += channel_stride;
                 dst += channel_stride;
@@ -1159,7 +1159,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
             float *dst = (float*)samples + 1;
             float *src = (float*)samples;
             int cnt = samplecount;
-            while(cnt-- > 0){
+            while(cnt--){
                 *dst = *src;
                 src += channel_stride;
                 dst += channel_stride;