[FFmpeg-cvslog] als: prevent infinite loop in zero_remaining().

[Ronald S. Bultje]

ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Fri Feb 17 12:28:26 2012 -0800| [af468015d972c0dec5c8c37b2685ffa5cbe4ae87] | committer: Ronald S. Bultje

als: prevent infinite loop in zero_remaining().

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=af468015d972c0dec5c8c37b2685ffa5cbe4ae87
---

 libavcodec/alsdec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index d54ae87..bdc0be1 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -1011,7 +1011,7 @@ static void zero_remaining(unsigned int b, unsigned int b_max,
 {
     unsigned int count = 0;
 
-    while (b < b_max)
+    for (; b < b_max; b++)
         count += div_blocks[b];
 
     if (count)