[FFmpeg-cvslog] lcl: return negative error codes on decode_init() errors.

[Ronald S. Bultje]

ffmpeg | branch: release/0.8 | Ronald S. Bultje <rsbultje at gmail.com> | Wed Feb 29 17:50:28 2012 -0800| [bd0d32d13181c452906011e33000fc4328771005] | committer: Reinhard Tartler

lcl: return negative error codes on decode_init() errors.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
(cherry picked from commit bd17a40a7e0eba21b5d27c67aff795e2910766e4)

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bd0d32d13181c452906011e33000fc4328771005
---

 libavcodec/lcldec.c |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index 017df55..8f203eb 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -476,7 +476,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     if (avctx->extradata_size < 8) {
         av_log(avctx, AV_LOG_ERROR, "Extradata size too small.\n");
-        return 1;
+        return AVERROR_INVALIDDATA;
     }
 
     /* Check codec type */
@@ -525,7 +525,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Unsupported image format %d.\n", c->imgtype);
-        return 1;
+        return AVERROR_INVALIDDATA;
     }
 
     /* Detect compression method */
@@ -542,7 +542,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
             break;
         default:
             av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression);
-            return 1;
+            return AVERROR_INVALIDDATA;
         }
         break;
 #if CONFIG_ZLIB_DECODER
@@ -560,7 +560,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         default:
             if (c->compression < Z_NO_COMPRESSION || c->compression > Z_BEST_COMPRESSION) {
                 av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
-                return 1;
+                return AVERROR_INVALIDDATA;
             }
             av_log(avctx, AV_LOG_DEBUG, "Compression level for ZLIB: (%d).\n", c->compression);
         }
@@ -568,14 +568,14 @@ static av_cold int decode_init(AVCodecContext *avctx)
 #endif
     default:
         av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
-        return 1;
+        return AVERROR_INVALIDDATA;
     }
 
     /* Allocate decompression buffer */
     if (c->decomp_size) {
         if ((c->decomp_buf = av_malloc(max_decomp_size)) == NULL) {
             av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
-            return 1;
+            return AVERROR(ENOMEM);
         }
     }
 
@@ -601,7 +601,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         if (zret != Z_OK) {
             av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
             av_freep(&c->decomp_buf);
-            return 1;
+            return AVERROR_UNKNOWN;
         }
     }
 #endif