[FFmpeg-cvslog] exr: remove superfluous check

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Feb 21 19:30:26 2013 +0000| [7a930f310ad2991eb72eb4271ed2f2e7380ea961] | committer: Paul B Mahol

exr: remove superfluous check

get_header_variable_length() already check for
out of array read and returns 0 in such case.

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7a930f310ad2991eb72eb4271ed2f2e7380ea961
---

 libavcodec/exr.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 22795a9..18037df 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -143,8 +143,6 @@ static int check_header_variable(AVCodecContext *avctx,
             *variable_buffer_data_size = get_header_variable_length(buf, buf_end);
             if (!*variable_buffer_data_size)
                 av_log(avctx, AV_LOG_ERROR, "Incomplete header\n");
-            if (*variable_buffer_data_size > buf_end - *buf)
-                return -1;
             return 1;
         }
         *buf -= strlen(value_name)+1;