[FFmpeg-cvslog] indeo: Properly forward the error codes

[Luca Barbato]

ffmpeg | branch: release/1.1 | Luca Barbato <lu_zero at gentoo.org> | Sun Jun 30 09:57:56 2013 +0200| [51a23b0e95ac117a691c7d849c7af7ffa9e7d18b] | committer: Reinhard Tartler

indeo: Properly forward the error codes

If the tile data size does not match the buffer size it did not
return an AVERROR_INVALIDDATA causing futher corruption later.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
(cherry picked from commit 7388c0c58601477db076e2e74e8b11f8a644384a)

Signed-off-by: Reinhard Tartler <siretart at tauware.de>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=51a23b0e95ac117a691c7d849c7af7ffa9e7d18b
---

 libavcodec/ivi_common.c |   12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index 3bdcbab..f0e4f60 100644
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -774,8 +774,16 @@ static int decode_band(IVI45DecContext *ctx,
                 break;
 
             result = ivi_decode_blocks(&ctx->gb, band, tile, avctx);
-            if (result < 0 || ((get_bits_count(&ctx->gb) - pos) >> 3) != tile->data_size) {
-                av_log(avctx, AV_LOG_ERROR, "Corrupted tile data encountered!\n");
+            if (result < 0) {
+                av_log(avctx, AV_LOG_ERROR,
+                       "Corrupted tile data encountered!\n");
+                break;
+            }
+
+            if (((get_bits_count(&ctx->gb) - pos) >> 3) != tile->data_size) {
+                av_log(avctx, AV_LOG_ERROR,
+                       "Tile data_size mismatch!\n");
+                result = AVERROR_INVALIDDATA;
                 break;
             }